93 SSEi no start-PCM?
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93 SSEi no start-PCM?
Hello, well i got problems again. NO START
I got fuel, 40 PSI at the rail, got spark, cranking, no injector pulse, but power at injectors is OK, fuses OK. I read people have had issues with PCM. Where is it? Is it a main computer? Also how to make certain that it'* faulty. Maybe something else? Thanks.
I got fuel, 40 PSI at the rail, got spark, cranking, no injector pulse, but power at injectors is OK, fuses OK. I read people have had issues with PCM. Where is it? Is it a main computer? Also how to make certain that it'* faulty. Maybe something else? Thanks.
#2
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The PCM is the main computer. You can get to it by removing the kick panel above the front passenger'* feet. I can't remember if the crank sensor has anything to do with injector pulse, but a dead one can prevent the car from starting. Although, I think it has more to do with spark than fuel.
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Re: 93 SSEi no start-PCM?
Originally Posted by George85442
no injector pulse, but power at injectors is OK, fuses OK.
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So, i'm getting spark but no injector pulse, is PCM dead or is it something different?
Car run crappy last couple of months , stalled once...how can i check crank sensor for fault?
Car run crappy last couple of months , stalled once...how can i check crank sensor for fault?
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Because battery died from constant cranking, i charged it. I tried to check for injector pulse again when it got dark, and battery died after 5 seconds of cranking. hmmmmm
I put in a good battery from my other car and it started right up. I hope that was the problem.
I put in a good battery from my other car and it started right up. I hope that was the problem.
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Originally Posted by George85442
I put in a good battery from my other car and it started right up. I hope that was the problem.
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Same thing happening again...Sometimes it starts, sometimes it doesn't. Only code is 21 (low TPS). When it doesn't start, there is no injector pulse. Is it PCM?