GM Gen III/IV V8 swap info TECH: Gen III/IV "LS motor" to Early GM Auto Trans. Here's what I know: 1. Although I still think it would be pretty constant through the rev range. The LT1 was first available on the Corvette […]. What I've done: Checked spark using spark tester, no spark at the plugs. It should also be visible on a CRO, just a bit of a pulse with every spark event. The one thing that is not happening is I pulled the distributor out with power on and spin it, shouldnt the injectors cl. I grounded the plug base to the engine block. Alternator Adapters; DBW Throttle Body Adapters; Injector Adapters; MAF Adapters; MAP Sensor Adapters; TPS & IAC Adapters; Ignition. It didn't work, so then I check pin 38 (black/white) wire which I'm pretty sure sure is the return power from the eccs relay to the ecu to power it. and the crank position sensor on bottom of oil pan bolted in a different location. ok so i have a question if any one would like to help iv just gone to start my fresh k24 swap civic ek and it cranks but will not start everything on kmanger looks good besides the injector pulse width sits around 20-25 ms and jumps up to 30-40 when i crank the car iv swapped out the injectors, map sensor, crank sensor and im not sure now what to do just not getting any were with this car. and yes, if you lost opti pulses, you'd lose spark and fuel -- but it's weird for this to happen right after swapping an opti. If all the parts are the same,ie it came from a stock ej207 and you have a stock ej207 I think all you would need is to swap the 2 units. ok so i have a question if any one would like to help iv just gone to start my fresh k24 swap civic ek and it cranks but will not start everything on kmanger looks good besides the injector pulse width sits around 20-25 ms and jumps up to 30-40 when i crank the car iv swapped out the injectors. There was no injector pulse, but between the pink wire and the battery positive, I had 6 volts, and a dim, flickering test light. To check the ignition coil, measure the resistance between the + terminal (black/yellow wire) and the - terminal (white/blue wire) of the coil. The wires on the dizzy are a bit iffy (plugs broken) but. I have 12 volts at the coil, out of the coil and into the distributor cap during the cranking of the starter but no spark ! I replaced the rotor and cap and wires but still no spark. I guess no one readsinjector pulse comes from ecm. And I would suspect there is also no exciter power getting to the alternator and no injector pulse too. I was wondering if there is anyone in Australia I can get my auto electrician to talk to about the problem. I have a problem with my L28 z31 ecu conversion(i'm using the z31 wiring harness). The optispark, coil and ICM are all new. The LT1 was first available on the Corvette […]. 9% ready for tuning thursday. Buying a NEW distributor will not fix your problem because a new one will not come with a module and your will have to swap them. 3 Whipple, Return style fuel system, dual Walbro GSS342 pumps, Aeromotive FPR, SCT BA3000 MAF, Accufab TB, SRA conversion, 604 rwhp, 581 rwtq. Crank the engine, you should see spark. Before putting it in the new shell, I made sure it wasn't seized. Here's what I know: 1. Re: E8 in R31 (Rb30ET) No start Or spark. When you mess with the key the fuel pressure slightly goes up each time. Alternately, ignition coils with the built-in igniters (like the LS1/LS2 coils) work great without a module. We remove the fuel injectors and beat the crap out of them and slowly 7 of them start working. never noticed if it used to or not…I know some. Rundown of failure: Was hard to start on occasion, with 20 seconds of cranking and then finally started. Got fuel pressure, got injector pulse, but no spark. Out of 200 no starts one no spark in 12 years was a smashed crank senser got a steel ball berring from coged idler at some point. I have connected all of the grounds as they were prior to converting the engine and. What I've done: Checked spark using spark tester, no spark at the plugs. the fuel pump is work. 4 5vz fe no spark problems « on: Apr 20, 2015, 08:05:14 AM » Im working on my 3. I stalled new crank and cam sensor. The spark plugs and cylinders are bone dry. Once ecm senses 400 rpm,s from engine it takes over. is it possible for all injectors to go out at once or will one bad one take all of them out. If you are going to clean them, get some injector screens off of eBay. (#1, and #2) swapped out Crank and Camshaft sensors one at a time. Have changed components coil, plugs, wires also checked fuel pressure was ok still no change. Found that it had no spark. Now for the problem: With the swap I have no injector pulse and the fuel pump is not turning on with the key forward. The crank sensor should be OK if you have spark. Battery voltage to. Typical Readings for a 1999 LS1 engine, automatic transmission: · Engine Speed- 650 rpm · ECT- 180 degrees F. The Corvette would be similar to the Camaro swap with a few changes. What I've done: Checked spark using spark tester, no spark at the plugs. If the light flashes, you have a pulse at the injector. If the sensor is bad (no crank pulses detected) the engine will not run at all. So I just finished doing an MPFI swap on my Civic and have triple checked all the wiring and connections. Spark plugs are all good. 7, all of which are non-LS engines, and for the most part will not pertain to the information below. 3 Whipple, Return style fuel system, dual Walbro GSS342 pumps, Aeromotive FPR, SCT BA3000 MAF, Accufab TB, SRA conversion, 604 rwhp, 581 rwtq. For 96 a combination crankshaft position sensor and cam shaft position sensor perform the timing functions on all the 4. Although there are a variety of Gen III engines, every one has a crankshaft reluctor and sensor that produces a 24-pulse waveform (24x) used by the PCM to control spark and fuel events. The e38 ecu im using is from a manual 2010 model vehicle #12633238 the os is 1250230 I have disabled VATS 1 & 2, disabled the starter checks, under the systems tab i have disabled the starter diag and the clutch interlock. Spark plugs are all good. the main relay has all the connections it needs, the ignition switch is good and the battery is fully charged. 06 Element wiring harness, PZD ECM, KTuner in ECU installation from a dealer. P0336: Inconsistent Crank Sensor Signal Detected. 3 has no spark. Fuel pump is working. No spark, fuel pump doesnt turn on. This includes removal of Anti-Theft or VATS, changes to fan on and off temps, injector part number, segment swaps for 4L60e to 4L80e conversions. Have changed components coil, plugs, wires also checked fuel pressure was ok still no change. It turns over strong, just NO spark. LS-Engine Swap Part II: Getting Fueled, Fired, And Cooled By Randy Bolig October 02, 2015 In our first installment of this two-part article showing you what parts you need and where to get them when swapping an LS engine into a classic Chevy, we covered engine and transmission mounting, headers, and accessory-drive systems. Every sensor you need on a LS1. Jump to Latest Follow Acura Legend 1990 LS SOLD so without it you will get no spark or injector pulse. How To Troubleshoot Your LS1 Swap – No Injectors. GM only used two basic fuel tables for speed density 350's, but used numerous spark tables. brought new cdi basic model, regulator ,coil, measured all AC voltages 80v from stator out put, 0. The engine turns over but no Injector pulse. We hook up the noid light to the injector and see no pulse. no spark no injector pulse please help!!! I am ready to start my 89 c1500 -00 5. Car cranks and theres fuel but no spark. Connect the injector side first to prevent a spark near a fuel spray. If all the parts are the same,ie it came from a stock ej207 and you have a stock ej207 I think all you would need is to swap the 2 units. just purchased a 2000 cbr 929 and had to do a motor swap the new motor has 6200 miles and was very clean and every thing checked out. The wires on the dizzy are a bit iffy (plugs broken) but. No cam and crank sensors. 3 4l60e conversion. To troubleshoot the fuel injector system in your LS1 swap, you should always check your MIL status first for any stored check engine lights. This is in my 69 Camaro with AAW Classic Update harness. It is a VU with an L67 fitted. Swap distributors, I now get injectors for about 1 second, but no spark at all. Replaced the crank sensor and the engine control relay with an OEX unit from Ashdown's. What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. If the ECU doesn't see this it assumes there's been no spark and it may be spraying raw fuel everywhere, so cuts the injector pulse. One and Four share the same coil and 2 and 3 share the same coil. Engine cranking but no spark. The injectors are not working, coils aren't working and there's no ground pulse. connectors, and i DO have 12V to the pink wires. 2002 Honda Civic LX. I used the following for my three wire hookup to the engine harness from the AAW accessories connector: dark blue fuel to gray fuel power feed on harness, orange BAT1 to orange constant power, and pink IGN1 to pink ignition on harness( this also says. What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. I have spark, but now we have finally discovered I am not getting any fuel into the cylinders. Although I still think it would be pretty constant through the rev range. Sorry for bringing this from the dead but your input could help me move forward in my swap. Have a 2000 Intrepid (2. Distributorless Ignition Systems (DIS) have been around for more than two decades, but in recent years the trend has been to multi-coil systems such as Coil-On-Plug (COP) or Coil-Per-Cylinder (CPC) ignition systems, and Coil-Near-Plug (CNP) ignition systems. I have a few problems. fuel pump or injector pulse no power to distributor either. My friend has my hp tuners, so I won't be able to scan it until tomorrow. You plug the noid light into the injector plug, so if there's no ground to the injector the noid light or a test won't come on. the main relay has all the connections it needs, the ignition switch is good and the battery is fully charged. Thread starter bmx198706; Start date Jan my 90 ls with a vtec head and b18 block is doing the same thing i replaced coil, igintion switch, dizzy cap, rotor, plugs, and main relay and new fuel pump still just cranks and cranks and cranks with no starting #11 My 99gsr with b20 vtec swap is having same. What I've done: Checked spark using spark tester, no spark at the plugs. I checked the cam and crank cogs for broken teeth. and get a spark checker thing that goes inbetween the plug and wire and see if you are getting spark. NRMA guy told me it was probably the crank angle sensor so I replaced it but still no start. Salvage yard have used or parts places also have rebuilt computers. Flywheel /Crankshaft position & RPM sensor: Late Motronic - 6 cylinder, single cam, Motronic models, such as; 325i/is/ix thru 91, 325ic thru 92, 325 88 thru 91, 528e 12/86 on, 535i & 735i/il 89 on, 635csi 6/87 on. connectors, and i DO have 12V to the pink wires. I have 42 pounds of fuel pressure at the rail but there is no spark and there is no signal at the injector harness plugs. Checked with noid light no pulse. Spark at spark plug, but no start. The e38 ecu im using is from a manual 2010 model vehicle #12633238 the os is 1250230 I have disabled VATS 1 & 2, disabled the starter checks, under the systems tab i have disabled the starter diag and the clutch interlock. 5x I squeezed 240k miles from the original engine The donor engine has 95k miles on it and got refreshed Withall new seals timing belt water pump cooling lines All but the head gaskets but after putting it all together I got spark but no injector pulse. 7, all of which are non-LS engines, and for the most part will not pertain to the information below. THE ONLY PART IN A DISTRIBUTOR THAT CAUSE NO INJ PULSE BUT STILL HAVE SPARK IS THE IGNITION MODULE!. Express Vans were still using the earlier, non-LS engines and did not start to use the LS platform engine until 2003. All of a sudden i loose all power, lights and everything are on but the engine dies. It didn't work, so then I check pin 38 (black/white) wire which I'm pretty sure sure is the return power from the eccs relay to the ecu to power it. The Chevrolet LT1 engine is the second-generation (Gen II) design of Chevy’s famous small block. The injector. 0 Mustang Tech: 3: Apr 25, 2020: Engine Spark plug wiring confusion. Engine cranks and turns over but no spark at the coils. The non starting is due to no spark coming thru to the plugs, I suspect it could be a coil(s) thing however I would appreciate any input from others who might have had a similar experience and could offer advice!. but only once until ignition key turned completely off and then on again. I have a 96 cavalier 2. and yes, if you lost opti pulses, you'd lose spark and fuel -- but it's weird for this to happen right after swapping an opti. Testing for coil Spark. 2002 Honda Civic LX. no spark, but have injector pulse - Check the Ignition Module (also check the CCCI and ECM-IGN fuses). Both of these tools will tell you if you have spark / fuel issues. Flywheel /Crankshaft position & RPM sensor: Late Motronic - 6 cylinder, single cam, Motronic models, such as; 325i/is/ix thru 91, 325ic thru 92, 325 88 thru 91, 528e 12/86 on, 535i & 735i/il 89 on, 635csi 6/87 on. Hi all, we are trying to start up the t/a and are having spark and injector pulse issues. Search for: Search $0. injector power,no pulse - Ford Modifications Website. Check for loose or shorted wires or damaged ignition system components. When I crank I get no spark or injector pulse. So the pickup coil or ICM is what signals the injector to pulse? Just seems to me that if one of these were bad there would be no spark. 0 4 REASONS YOUR LS SWAP WONT START AND HOW TO FIX IT! GMC and Chevy 5. 3 until I disconnect it this seems strange obviously this isn't a good way to test it but I don't have an led I guess I could scavenge one out of an electronic. Other times I would check it and it had 12v at the injector. MS3Pro ULTIMATE by AMP EFI was designed as a complete solution for high horsepower NA and boosted engine combos with loads of additional I/O and no additional controllers needed. Have changed components coil, plugs, wires also checked fuel pressure was ok still no change. The results were about what we expected as the mill came off the dyno making a very potent 720. I guess this narrows it down to a fuel injector problem. Out of 200 no starts one no spark in. PCM Reprogramming Services I will reprogram PCM, ECM, TCMs for engine swap applications. It has no spark and the injectors are not firing. Both strategies get the same job done and allow the PCM to properly meter fuel at small pulses in the nonlinear flow region of the injector’s capacity. Also check any grounds that are located on the engine or on the body and make sure they are properly grounded. 3L 450HP Long Block Crate Engines SUM-150153 and get Free Shipping on Orders Over $99 at Summit Racing! Looking for big LS engine power at an affordable price? Summit Racing® remanufactured 5. The LS Turns 20 … and Retires. And one of the coils could have fried it. the car ran with the stock motor so it has to be something i did during the swap. The P0336 is the crankshaft position sensor signal is missing. Instead of checking for a good cam and crank signal I pulled the distributor cap off to check spark right at the coil that is located in the distributor housing. Besides the either "Wide open throttle" or zero injector pulse, I also have no spark at coil, so no spark to distributor or plugs. Need Help LT1 Cranks but will not start Discussion in 'High I have 42 pounds of fuel pressure at the rail but there is no spark and there is no signal at the injector harness plugs. If you do get spark coming out of the ignition coil tower, you now know beyond a shadow of a doubt the distributor cap and rotor must be replaced. I got a 92 sw20 with a 98 1mz swapped it. Problem appears to be ignition, no spark from coil. We tested the power off of the coil pack connecters and they are showing that we are getting 12v so I dont think it's a grounding issue. The pinouts and diagrams are taken from How to Understand, Service and Modify Ford Electronic Fuel Injection & Electronic Engine Control by Charles Probst, the technical information on the SAW and inner workings of the EDIS module are taken from Ford Patent 4,922,874. The ECM and ECM harness was also replaced together with the injector harness and tranny harness. Both are very popular for failure. Did you know that a lot of 8th generation Corollas had problems with the ignition switch as well. To reply to Kronik, since the ignition module is in the distributor, that is why the problkem was fixed. If your Chevrolet Silverado is experiencing issues with its ignition system, you may need to do some troubleshooting to determine the cause. The EML stays on with an injector driver fault code. Fixed that and still nothing. the fuel pump runs and i have spark, just no injectors. Verifying that the Crank Sensor is getting power. My scanner said that it should have 5 vdc on one pin of the connector and that the sensor should ohm out at 165 to 200 ohms. For whatever reason, cylinder 1 is not firing correctly (missing some or all ignition attempts). ok so i have a question if any one would like to help iv just gone to start my fresh k24 swap civic ek and it cranks but will not start everything on kmanger looks good besides the injector pulse width sits around 20-25 ms and jumps up to 30-40 when i crank the car iv swapped out the injectors, map sensor, crank sensor and im not sure now what to do just not getting any were with this car. Lt1 No Spark. This test will tell you if the computer is pulsing the fuel injectors open when cranking the engine over. 7L and the 7. L76 Swap No Spark and No Injector Signal HELP I have a L76/6L80e swap that we have just tried starting for the first time but no luck getting it to start. No codes show on my snap-on scanner. The engine turns over but no Injector pulse. I put a new ecu on didn't help it has had a new distributor and tfi module put on I'm not sure what's going on with this thing. I have power to the injector but pcm is not delivering ground. If the engine runs, but has a misfire, test the injector by measuring the resistance of the injector. Below is a list of things I have done to the car to try to remedy the no starting problem with help of some folks. Went to fire up the car and it is only running on the drivers side bank. Car will not start: 1996 - 2004 SN95 Mustang -General/Talk-5: Apr 25, 2020: What spark plugs do I use with canfield heads and vortech v1 blower: Fox 5. If there is triggering there and no coil switching the amp could be bad or bad wiring. 00 0; Menu. Do you get fuel like a wet spark plug? Have you tried a noid light on the injector to verify pulse? After cranking the engine shut the key off. Checked spark, and it was lost again. The LT1 was fitted in Chevy’s Corvette, Camaro and Caprice/Impala SS. No spark and no injector pulse. I could still here the Fuel pump prime, but it would just crank and crank with no start. also with the key on and hood up -and me looking over the engine area - w/ cold engine - I hear a clicking sound every 1 second - but not a regular every 1/2 second in time - but a irregular clicking sound coming from the injector area or distuibtor area? last nite no problems - I run super gas on my V6 camry -did run fine for 1 year - only this morning no start?. Lingenfelter part numbers L480080000 (8) Uscar Injector connector kit LS2/LS7 with terminals & seals $26. A couple of weeks ago i was going to get my check engine light checked and i left and forgot to write them down so my dad could look at them. I attached coil and power transistor to the ecu(ecu is from 86 300zx). Do not forget to check out our other LS1 related articles, some are listed below. I am thinking the ecu is bad but im not s. Spark plugs are all good. MIKE BRANDT high failure rate for the body control module and sometimes when they fail the bad body control module will disable the injector pulse which is what the body control module does as part of the cars security system. Your ignition system contains many components, such as spark plugs, ignition coils, and fuel injectors, all of which work in tandem to initially start your engine. I can start the car with either,. What I've done: Checked spark using spark tester, no spark at the plugs. Understanding how the system functions makes this system easier to diagnose and repair. Hi all, we are trying to start up the t/a and are having spark and injector pulse issues. Tach in +12V via two wires, one ignition power, one main. How To Troubleshoot Your LS1 Swap – No Injectors. Lack of injector would not cause backfire and pops but erratic spark would. I went over it a couple more times today when trouble shooting. The engine was rebuilt also. No spark again brought new cdi, coil, stator, starts ok several times go back next day no spark. There is no fuel output while cranking. MAP Sensors; Mass Airflow Sensors (MAF) Oxygen Sensors (O2) Temperature. Show Full Signature. LS Belt Tensioners. Modified by facelessnumber at 1:50 PM 2-5-2010. 6 V8 No Spark, No Inj Pulse. So I just finished doing an MPFI swap on my Civic and have triple checked all the wiring and connections. getting fuel. If you don't have injector pulse AND spark your talking about an ECM that's refusing to turn on or isn't getting an input. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. Re: 89 si ls swap no fuel no spark. So now i have gas at all cylinders, but still no. For testing, just trigger and listen for the clicking. Fuel pressure is at the proper 55 or 60psi at the fuel rail. Check the wiring harness for any chafing, or the injector connector for loose pins or a broken lock. HELP! Electrical problem 1994 Toyota Corolla 4 cyl Two Wheel Drive Manual 178000 miles -----. I have checked the power wires and grounds and all of them seem to check out. Coil resistance was slightly out of spec, ignitor was working fine. just purchased a 2000 cbr 929 and had to do a motor swap the new motor has 6200 miles and was very clean and every thing checked out. J no crank sensor will disable spark. Checked for injector pulse, and it started getting interesting. Check for spark. No spark at all at coil and was guessing electrical in car! Fuses all over are good. checked all fuses in underhood fuse block and drivers dash fuse block. So I swaped a L28ET into my S30, wired it up just as all the write ups say to and I have no spark. what year was the camaro that you got the ecm from? if it was around 88-89 or newer, it has VATS and that would be why the injectors arent firing. i get no pulse at the injectors. If there is no spark and no injector pulse, we could be dealing with the main ECU relay, the crankshaft position sensor, the ECU or a wiring problem (make sure that all of the wires at the positive junction block, on the passenger side firewall, are secure and tight). Well i found what was causing my engine control fuse to blow. Trying to start my fresh stroker build No spark at all, here is what I've checked Power to pink wires on each coilpack good Power to pins 20 and 57 in the ECM plug Changed crank sensor Checked for any power at the crank sensor plug - none I've looked over the grounds, all I have is the. NO spark + NO gas pretty much points at the SMEC or the auto-shutdown relay. I have a solid CEL that will not go away. So a quick update on my Mazda 3 with no spark, come to find out, the injectors were not opening as well. The cam tool lit up. Vag com hooks up fine, I can energize the injectors and i register a tach signal in vagcom. 3 has no spark. it does not lose pressure either after sitting for a couple of minutes. Check for ground and power to your sensors. I have limited data on Mercedes as I am using Mitchell Which has been of very little help. Post by SVD032 » Sat Jan 02, 2010 8:46 am I have triple checked the wiring, the Ign +ve wire to Coil +ve, then Ign1 output to pin 2 on the igniter, then pin 1 of the igniter to Coil -ve and finally pin 4 to Chassis Ground. robbhibb, Jul 13, 2016 #1. This is in my 69 Camaro with AAW Classic Update harness. I have triple checked the grounds made sure the pcm has constant voltage. The basic checks revealed a no spark condition. Re: No injector pulse - why? The dizzy seems to be the biggest problem on these engine, try to change it for an other. Unfortunately, my "slightly used" LS3 is showing NO signs of life. Checked for spark, all good. If none found, check for power supply at one side of the injector with the key on. The first thing to check when the engine won't start is to see if you have spark at the spark plugs. It's a 50-50 toss on that one though. Found that it had no spark. The injector. DeatschWerks has one of the most comprehensive injector offering in the industry. Crankshaft sensor (CKP) The crankshaft sensor is a 24X (58X on 2004 and later engines) pulse sensor that controls ignition coil firing and injector pulse. Disconnected the maf sensor no change. Hi guys, So like the title states I have a 98 Integra LS that will crank but doesn't start. In fact, I don't seem to be getting any injector pulse or ignition spark. Customer states car died while driving. And one of the coils could have fried it. by VX L67 Getrag » Thu Nov 26, 2015 1:24 am. Boostys - no spark haros - no spark boostys - no spark original - no spark parts car - fired engine for a sec, then no spark boostys - no spark haros - fires on four cylinders, as it originally did when I got it goostys - no spark parts car - no spark original - runs fine, and is outside running right now. How to fix no spark on Chevy LS engine 4. On that rare occasion the PCM stores a Diagnostic Trouble Code: P0335: No Crank Sensor Signal Detected. Page 2 of 4 but if the module was bad he should have no spark. NRMA guy told me it was probably the crank angle sensor so I replaced it but still no start. Below is a list of things I have done to the car to try to remedy the no starting problem with help of some folks. no cel when I parked it I do have 10v on the power wire to the #1 injector while cranking ( i only checked one) the pulse wire is giving me 3. Have changed components coil, plugs, wires also checked fuel pressure was ok still no change. I am finally starting to wire up the 5l in my LX Hatch and am having problems trying to get a spark. Oxygen Sensor types information - Page about the different o2 sensors used, differences in wiring, and function. Now, if the noid light doesn't flash, then there's a problem with the driver or the driver circuit. Unplug the PCM connector and ohm the fuel injector driver circuits. Wiggle the ignition switch to see if it is intermittent**. The car has a Sigma S30 Alarm System which is connected everywhere with the car. On that rare occasion the PCM stores a Diagnostic Trouble Code: P0335: No Crank Sensor Signal Detected. The Cam sensor just synchronize the injector, You know you got cranksignal, when you have fuel to the rails, The The injector ground is from the PCM the PCM gets it from a separate ground different from ignition, Do a voltage drop on the ground side of the injector to the DLC ground which is pin 5, (engine cranking) Then measure DLC pin 5 to body ground, (engine cranking) if you go above. 2001 vx gen3 LS1 injector pulse. The first thing to check when the engine won't start is to see if you have spark at the spark plugs. The ECM and ECM harness was also replaced together with the injector harness and tranny harness. ) I used a spark tester and don't have spark: a. I have tried 2 ECUs to be sure that it wasn't the immobilizer. robbhibb said:. I have power to the injector but pcm is not delivering ground. The P0336 is the crankshaft position sensor signal is missing. The LT1 was first available on the Corvette […]. The LT1 was first available on the Corvette […]. 7 TBI no spark no injector pulse. What I have done: Verified voltage at coil and ICM at distributor, key ON and START, voltage good. After testing back and forth on both cars, we have found that there is no pulse going to the injectors, hence no fuel is being sprayed into the engine. The 4-wire plug on the left (also 92 engine harness) has no match on my 91 distributor, but the big black/yellow trace wire was 12 volt and placing it in the two-wire plug gave me spark, but no injector pulse. And I would suspect there is also no exciter power getting to the alternator and no injector pulse too. Mechanical belt fuel pump, so no wire to fuel pump for prime. What I do not have is the ground pulse to fire the injectors. Spark all 4 cyls. I have a no spark issue. Oh another thing I forgot to mention. Hello- Looking for a bit of help. An ignition coil is a type of pulse transformer that multiplies the low voltage received from the battery or alternator to many thousands of volts when the breaker points open and close. I got a 92 sw20 with a 98 1mz swapped it. When I crank I get no spark or injector pulse. all fuses good switched with known good main relay. I have 42 pounds of fuel pressure at the rail but there is no spark and there is no signal at the injector harness plugs. I have a 1984 spider 2. Disco2/V8, no spark I have an issue with my Disco 2/V8 (Yom 2000) with intermittent running and failing to start. Nor is the ECU talking to the scan tool. Re: No injector pulse - why? The dizzy seems to be the biggest problem on these engine, try to change it for an other. all are good. so i ordered a jdm obd2 h22 installed it and now it just cranks, hooked up a noid light to the injector harness and im getting no pulse. 92 Sc400 Cranks Ok, No Start Sign in to follow this. The injectors are not working, coils aren't working and there's no ground pulse. 4 that last night had no spark. #1 injector damaged high resistance wiring/connector between injector and EMM. Starting from basic oil change reset to complex programming or reprogramming of ECUs. Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. 3 Silverado 1500 no start,cranks and has good fuel pressure but no spark (2004 Chevrolet Silverado 1500) We replaced the crankshaft postion sensor as a code showed this. Either broken wire or pad ignition switch or. It will be wise to seek professional advice at this point and get a free estimate from a trusty mechanic. I appear to be getting no spark or fuel. Replaced plugs, fuel filter and fuel pressure regulator. No spark to plug gator 620i XUV We use a 620i on the ranch and a couple of days ago it started running rough with no power that it usually has. HELP! Electrical problem 1994 Toyota Corolla 4 cyl Two Wheel Drive Manual 178000 miles -----. If the injector info you need is not posted, request it HERE If no data is available and you need to get started now, I recommend cross referencing the injector offset provided by injector-rehab. Does the LS1 motor have one of these modules somewhere I haven't seen ??. Cam plug has power, maf has power, and the Coils and injectors have power when cranking over but noid light shows no injector pulse. This is in my 69 Camaro with AAW Classic Update harness. The crank sensor can cause no spark and no pulse to the injectors, however, it would be the ground side of the injector harness that was missing. So I just finished doing an MPFI swap on my Civic and have triple checked all the wiring and connections. I have the dash and everything apart so I'll be waiting for some ideas here. I replaced the coil just in case the spark was weak. Well, its done and in the engine bay, but i am having one problem. crank, have fuel, spark, no start. because you will have no 12 volt battery fed to the coil primary and the injector solenoids, so no spark and no injector function. No change with different ECU or ignitor/sensors it does not have any errors. 2002 Honda Civic LX. If the injector info you need is not posted, request it HERE If no data is available and you need to get started now, I recommend cross referencing the injector offset provided by injector-rehab. Besides the either "Wide open throttle" or zero injector pulse, I also have no spark at coil, so no spark to distributor or plugs. and the crank position sensor on bottom of oil pan bolted in a different location. I have an OBDII (1996) B18B1 swap into OBDI (1994) GSR shell. I have spark, I have fuel pressure, I have compression, I have power to the injectors. It is setup on speed density with an EVO MAP sensor. 6 V8 No Spark, No Inj Pulse. PCM Reprogramming Services I will reprogram PCM, ECM, TCMs for engine swap applications. 9% ready for tuning thursday. Pulse width is a term to describe how much average voltage is applied to an injector coil over a given time span - typically about 2. Too low of a resistance through the injector coil and over load the ecu's circutry. distributor, wires, and (most likely) spark plug. Coil resistance was slightly out of spec, ignitor was working fine. 1995 acura integra ls sawp to gsr engine on it Long story about my car. Crankshaft sensor (CKP) The crankshaft sensor is a 24X (58X on 2004 and later engines) pulse sensor that controls ignition coil firing and injector pulse. Rundown of failure: Was hard to start on occasion, with 20 seconds of cranking and then finally started. Typical Readings for a 1999 LS1 engine, automatic transmission: · Engine Speed- 650 rpm · ECT- 180 degrees F. Fuel Injection – TPI, SFI, TBI, SPFI, MPFI LT1, LS1 Wiring. 1L) could be considered an LS engine. If you have no spark and no injection pulse, I would suspect that it is related to the timing sensors. 12vdc is always applied to the injectors but when you average the applied voltage over a set time span, shorter pulses result in lower average voltage (leaner A/Fs) over that time. Is it possible to swap an ls head for a gsr without any other alterations Best online sellers of engine swaps. 03 chevy silverado with 5. We have changed the coil, had the module tested at Autozone (passed), tested the cap, rotor and pickup per manual; all with no luck. If the ECU doesn't see this it assumes there's been no spark and it may be spraying raw fuel everywhere, so cuts the injector pulse. and the crank position sensor on bottom of oil pan bolted in a different location. just grab a test light turn ignition on and check if you have power on the yellow/black wire on the injector. 3 ls engine that will sometimes not start does crank, after stop cranking the engine will start when tried again. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. THE ONLY PART IN A DISTRIBUTOR THAT CAUSE NO INJ PULSE BUT STILL HAVE SPARK IS THE IGNITION MODULE!. The spark plug wires--Inspect for signs of arcing or cross-firing, for cracks, for carbon tracking, for plug boot damage, for pinches, for improper routing, or for a resistance value that is outside the specified range. The injector should have around 1. Re: h23a1-h22a swap no start Post by thericepatch » Mon Nov 28, 2011 6:08 am Actually, vtech and non vtech computers, distributors, injectors, etc are interchangeable, the only real difference is the activation of vtech to open the intake valves farther during high RPM usage. I also removed the old wires coming to the coil. 00 0; Menu. Fixed that and still nothing. I can swap both out tomorrow with two known good ones from an EJ25 I have kicking around, but I don't think that's going to solve my ECM communications problem. Both are very popular for failure. I stalled new crank and cam sensor. First of all make sure you have no engine codes stuck in the ECM. Cranks, but no start. this is on a rb25 s2 so it has an internal ignitor. Show Full Signature. I ALREADY SEARCHED THE ARCHIVES, SO DON'T BOTHER TELLING ME TO DO SO. 2006 town and country NO CRANK good stater. Still no cranks no start. It started with a spray of fuel to the air intake then stopped straight away. I am curious as to if you figured this out I have a 04 Tacoma with a 3. Could I this be the problem? This how I attached the coil and power transistor to ECU. Checked for spark, all good. We tested the power off of the coil pack connecters and they are showing that we are getting 12v so I dont think it's a grounding issue. Lt1 No Spark. 2002 Honda Civic LX. Nor is the ECU talking to the scan tool. Coil on Plug: The Wired Differences 2011 ICAIA Fall Conference Ranken Technical College, St. The injectors are not working, coils aren't working and there's no ground pulse. what year was the camaro that you got the ecm from? if it was around 88-89 or newer, it has VATS and that would be why the injectors arent firing. The first thing to check when the engine won't start is to see if you have spark at the spark plugs. Crank the engine, you should see spark. DeatschWerks has one of the most comprehensive injector offering in the industry. com No injector pulse 02 Ram 1500 - DodgeTalk : Dodge Car Forums. If your Chevrolet Silverado is experiencing issues with its ignition system, you may need to do some troubleshooting to determine the cause. Spark check well never see spark problems ever unless bad crank senser. Remove the rear-most injector from each side first; because the engine slopes down to the rear, this will allow the majority of the fuel and oil to drain into that cylinder. torque! This engine will give you the performance and drivability you have been searching for at a. This includes removal of Anti-Theft or VATS, changes to fan on and off temps, injector part number, segment swaps for 4L60e to 4L80e conversions. The first thing to check when the engine won't start is to see if you have spark at the spark plugs. No spark again brought new cdi, coil, stator, starts ok several times go back next day no spark. I used the following for my three wire hookup to the engine harness from the AAW accessories connector: dark blue fuel to gray fuel power feed on harness, orange BAT1 to orange constant power, and pink IGN1 to pink ignition on harness( this also says. Is it possible to swap an ls head for a gsr without any other alterations Best online sellers of engine swaps. I have no fire ,no injector pulse and the code reader shows no MIL. Car will not start: 1996 - 2004 SN95 Mustang -General/Talk-5: Apr 25, 2020: What spark plugs do I use with canfield heads and vortech v1 blower: Fox 5. Gen III LS PCM Conversion Upgrades: Projects, Lessons and Strategies How to Control Your Gen III (3) V-8 LS Engine Gen III (3) LS 1200 Horsepower, 387-Cubic-Inch C5R Power Guide Firebird and Camaro LS Swap: Transmission Guide History of the Gen III LS1 V-8 Engine TUNING FOR SUPERCHARGED AND TURBOCHARGED LS ENGINES Stroking Options for Big Inch. 00 0; Menu. Variants of this engine are available in displacements of 293 cid (4. Unfortunately, my "slightly used" LS3 is showing NO signs of life. the starter turns, distributor works, plug wires got fire, but the injector wires don't pulse. DeatschWerks LS1/LS6 88 lb/hr EV14L USCAR Fuel Injectors 18U-01-0088-8. Electronic control of ignition timing was introduced a few years later in 1975-'76 with the introduction of Chrysler's computer-controlled "Lean-Burn" electronic spark advance system. Take one plug out. Disconnected the maf sensor no change. Don't jump to conclusions like an ECM. The injectors are not working, coils aren't working and there's no ground pulse. If the injectors appear to be working, but the engine will not start, the engine may be flooded. They have adapters to plug into an aerosol cleaning can but before they were available, I was able to pool cleaner in the top of the injector and pressurize with a compressor and then trigger the tester. ) Initially. Now it cranks but no injector pulse no spark and only fuel delivery on prime up. When I crank I get no spark or injector pulse. I swapped the prom chip out and nothing. 3L 450HP Long Block Crate Engines SUM-150153 and get Free Shipping on Orders Over $99 at Summit Racing! Looking for big LS engine power at an affordable price? Summit Racing® remanufactured 5. We hook up the noid light to the injector and see no pulse. Parked in driveway, went out to start it. There is no spark at any of the spark plug wires, and no pulse at any of the fuel injector wires. Jul 13, 2016 #2. I have the dash and everything apart so I'll be waiting for some ideas here. Engine cranking but no spark. Show Full Signature 2003 Cobra - 2. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. LS Gen III small-block: The Chevrolet LS1 and LS6 series engine was the third generation of Chevy small-blocks and was first introduced as the LS1 in the 1997 Corvette and was also used in the 1998-2002 Camaro Z28. The truck is a 1996 Dodge Ram with the 5. 5 liter came in as a no start. Bimmerforums is the preferred online BMW Forum and community for BMW owners. after you've started your engine. Variants of this engine are available in displacements of 293 cid (4. Hi guys, So like the title states I have a 98 Integra LS that will crank but doesn't start. my car is wont start only cranking. Issue: Cranks, no start, no spark Current Configuration 2002 Dodge. Hooked it up to laptop with Freescan and Datamaster, no codes whatsoever cranking. The LS Turns 20 … and Retires. btw its a 96 vr gti ant help is greatly appreciated. Checked pick up coil resistance, checked out fine. But if you connect a test light to the power supply on the plug of for the injector and then ground the test light somewhere on the engine, and the test light turns on, you now know the injectors are getting voltage. Although there are a variety of Gen III engines, every one has a crankshaft reluctor and sensor that produces a 24-pulse waveform (24x) used by the PCM to control spark and fuel events. Before I go ahead and have you send me your ECU: Have you checked the camshaft timing?. Spark plugs are all good. It is a VU with an L67 fitted. if you do that rules out immobilizer There is no power/pulse to the injectors Ive already tried that. I'm just wondering if anybody has encountered this. Still no start. I don't understand how it has one of the other and then neither but the Casper's sensor tool says they are working. just grab a test light turn ignition on and check if you have power on the yellow/black wire on the injector. The below simply applies logic to the No Start troubleshooting trees and can save you a lot of time. We are using a boomslang jumper harness. 2001 Isuzu Rodeo LS 3. It is setup on speed density with an EVO MAP sensor. Parked in driveway, went out to start it. Check power and ground to computer all good, have 5volt reference but only have 3 volts from computer to. The crank sensor should be OK if you have spark. The ecu is a programmable procom ecu running stock map right now. The Ultimate LS system will allow for both EV, EV6, and truck injectors with interchangeable injector harnesses. Replaced the - Answered by a verified Mechanic for Honda We use cookies to give you the best possible experience on our website. never noticed if it used to or not…I know some. I got a 92 sw20 with a 98 1mz swapped it. Check if there is spark by pulling out a coilpack and inserting a spark plug into it. Have changed components coil, plugs, wires also checked fuel pressure was ok still no change. I'll edit this thread as solved. I picked it up from a salvage yard in Wisconsin. I have a few problems. 93 chevy no fuel injector pulse Discussion in 'The BS Topic' started by TRQJNKY, Jan 30, 2010. 2002 Honda Civic LX. I am also getting 12v to the coils but no ground or spark. CraigE Sr. 0L Turbo Powertrain (EJ Series Factory 2. It should also be visible on a CRO, just a bit of a pulse with every spark event. Page 2 of 4 but if the module was bad he should have no spark. The owner switched the ignition module over to tbe 86-87 module. all are good. or is this a sign of whatever controls injector pulse is bad. DW high flow fuel injectors are only offered in balanced sets processed through our multi-point dynamic flow testing system. Like some service manuals suggest, "replace with known good component" This is kind of a field test. Spark plugs are all good. What I've done: Checked spark using spark tester, no spark at the plugs. 95 GMC C2500 5. If your Chevrolet Silverado is experiencing issues with its ignition system, you may need to do some troubleshooting to determine the cause. If all the parts are the same,ie it came from a stock ej207 and you have a stock ej207 I think all you would need is to swap the 2 units. I am now pushing a 2005 Altima with 2. Didn't work out so well, plugs stayed dry and injectors didn't feel/sounds like they clicked at all. I have a no start condition. 2005 Chevy Cavalier with 2. The 24 tooth reluctor wheel is mounted on the back of the crankshaft. LS1 Fuel Injector scaling for changing injectors. Put the plug wire on that loose plug. Hi folks, was hoping to fire up my ls3. I did a little research. I appear to be getting no spark or fuel. Fuse Block and OBD2 Port Wiring Information - Part#'s for parts to build custom fuse block/relay sockets, OBD2 Port. I went through the wire job on the new module and found out he had the crank signal and ground wires backwards. Replaced the - Answered by a verified Mechanic for Honda We use cookies to give you the best possible experience on our website. 3L no start Not sure how much you guys know about this system, but the pcm isn't even enabling the powertrain relay which powers the coils, injectors, o2 sensors, and MAF sensor. I did not separate the engine/tranny and the entire wiring harnes went with the engine to the new(er) car as did the motronix control unit. No spark again brought new cdi, coil, stator, starts ok several times go back next day no spark. No fuel injector pulses from the fuel injector connectors as tested using a Noid Light. anyway, i went to start the car for the first time, and discovered my injectors arent firing. Have changed components coil, plugs, wires also checked fuel pressure was ok still no change. all fuses good switched with known good main relay. the #1 pins in both red and blue PCM connectors are grounded. Well i found what was causing my engine control fuse to blow. 2 Mazda engine again. Also check any grounds that are located on the engine or on the body and make sure they are properly grounded. Car cranks and theres fuel but no spark. The distributor cap and rotor are infamous for causing No Spark No Start Conditions. No spark from all of the Coil-On-Plug Ignition Coils. Cranks well, fuel pressure ~55-60psi at rail, noid light flashes rapidly when first crank (engine runs for a second, longer if I squirt some fuel down the throttle body) but noid flashing pace slows promptly to a flicker now and then. The ECU is a PM6 that I just got from. Checked for spark, all good. While the LT-based engine offers a lot of advanced technology and new features, that can sometime be a drawback as well. Jayme Posts: 2573 Joined: Sat Feb 28, 2009 10:59 pm. checked the inj. It will be wise to seek professional advice at this point and get a free estimate from a trusty mechanic. Spark plugs are all good. Take one plug out. battery was strong, not the problem. I appear to be getting no spark or fuel. Battery voltage to. The secondary injectors are driven by a secondary injector power circuit controlled by the ECM grounding the power relay. just lost and looking for. Checked for spark, all good. A no start due to a fuel issue is usually either low/no fuel pressure,no injector pulse or a engine flood condition. ive need some tech advise Ive just finished a ls1 transplant into my lh torana, i have a carby and msd ls1 controller but dont seem to have any spark. Have changed components coil, plugs, wires also checked fuel pressure was ok still no change. thought it was immobilizer problem but shouldn't be with obd 1 swap. 0L Turbo Powertrain (EJ Series Factory 2. If no spark or injector signal, after the swap, the ECU may be faulty. HELP! Electrical problem 1994 Toyota Corolla 4 cyl Two Wheel Drive Manual 178000 miles -----. The corresponding changes in throttle position, manifold air pressure, and mass air flow are relayed to the PCM, which reduces the injector pulse width to reduce fuel flow. If CPS is defective you will have no sparks and pulse from injectors. We changed the crank sensor, and no change. Even if I've killed the ALT, the car should still start?. Have performed TPS AutoSet many times. - Just found this cannot be done on this site. 3 4l60e conversion. They are available from 19 to 160 lb/hr flow rates to accommodate a variety of vehicles. i am running out of patience with this car, i have spark, i have fuel at the rail, cranks and cranks but still won't start. I can swap both out tomorrow with two known good ones from an EJ25 I have kicking around, but I don't think that's going to solve my ECM communications problem. There is no need to actually run the engine on the other bank. I have a 99 Integra changing a coil and forgot ignition was on and arced on distributor shaft replaced entire distributor, converted to obd 1 from obd 2. Any info would be great. Customer states car died while driving. When I crank I get no spark or injector pulse. 3L Trucks P0300 Random Misfire and Sometimes No Spark.