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Old 04-27-2004, 18:38   #1 (permalink)
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confused help me no injector pulse!!!!!!!!!!!!!!!!!!

Hi I'm new here but I am in need of serious help. I have a 92 sable with the 3.8. The engine won't start because I am not getting any pulse to the injectors. I have replaced all 6 injectors and the intergrated control unit on the radiator support. I have checked the fuses for the EEC and I know I am getting fuel all the way up to the injectors and the fuel pump is working. When I try to start the engine using starting fluid she will run on the ether until I stop spraying so I must have spark. The car was running a little rough and then When i was taking to of my kids to catch the bus in the morning the car just quit as I shifted from reverse to drive. I did a self diagnostic using a jumper and the check engine light and got these codes: 125-throtle position sensor low voltage, 176-oxygen sensor indicates lean condition left side, 189-adaptivefuel rich limitreached at partial throttle system lean left side, 211-profile ignition pick-up circuit fault, 326-Egr voltage lower than expected, 327-Egr valve pressure transducer position sensorcircuit below minimum voltage, 528-clutch switch circuit failure, 543-fuel pump circuit open battery to eca. I don't know if that last code was from before when I replaced the fuel pump and intergrated control unit. Any help would be gratly appreciated.

thanks
Bigshow
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Old 04-30-2004, 07:21   #2 (permalink)
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Re: help me no injector pulse!!!!!!!!!!!!!!!!!!

Dude sound like you hava a bad PCM.
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Old 05-15-2004, 03:23   #3 (permalink)
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Re: help me no injector pulse!!!!!!!!!!!!!!!!!!

Hi, no injector pulse eh, bunch of codes, i'm guessing that they were is memory, or were they hard faults, Crank signal of course should be checked but dont forget all ecu grounds first, they are ultimatley your injectors ground.
even if codes can be obtained, the fact that their all low voltage codes maybe tells us theres a ground problem somewhere. Engels statement was true it could be also in the pcm.
Getting the spark could tell you everything, spark is obtained by the cranksignal as well is the basic injector pulse. Spark then means the crank signal is working and most likely it would be the injector drivers (pcm) or pcm grounds.
I have seen a good spark and no injector pulse on fords, honda, and holens(gm) and all have lead to a pcm ground, but check its voltage as well.
I trust you used a noid light or led test light to check for injector pulse.
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