Car will not run, turns over and fires, will run if primed. - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-27-2005, 04:03 PM   #21
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"Large round flat thing" sounds like a capacitor or coil....

I for one would be interested in a pic if possible...
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Old 01-27-2005, 04:13 PM   #22
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Quote:
Originally Posted by ckbell13
I really appreciate all of your help with my car. I have used other forums before and I am just amazed at how many replies I have gotten. I think I found my problem and if it proves me correct or incorrect, I'll let you know the outcome. I was putting the air bag controller back in and couldn't help but notice a strong "burnt electrical" smell . So I disconnected the main cpu and took off the screws to the access cover, which was pretty beat up from the previous owner, and found that some large flat round thing (sorry, not too familiar with electronics) had exploded inside on the main circuit board. As soon as I track one down I will let you know the outcome.




okay, that'* no good. :(

<edit>
can you find a p/n on that anywhere?
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Old 01-27-2005, 04:16 PM   #23
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I could list a pic, but I have no clue as to how to do it. I have a digital camera though. [/img]
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Old 01-27-2005, 04:30 PM   #24
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If you think it'* worth the effort, take the pic, then PM me. We can work from there...
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Old 01-27-2005, 04:51 PM   #25
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Yup. Burned out capacitor...

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Old 01-27-2005, 07:50 PM   #26
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ouch.

though it'* highly highly doubtful, there might be someone who can repair that one component for you, but more than likely you're going to be buying a new pcm.

i can very honestly say that i've never seen that before. my friend blew a fuse on his car, while trying out a home-brew DOD, but it was just that - a fuse. really strange that your fuse didn't catch that.

:(
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Old 01-27-2005, 08:09 PM   #27
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Yeah, I think I PM'ed him that when I got the pic.

If you're lucky, and good with a soldering iron (or know someone who is) you might just be able to replace the Cap.

I sure got my fingers crossed for you. I don't know how much to replace the PCM, but a capacitor is only about a quarter, if that much
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Old 02-04-2005, 02:56 PM   #28
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Default Got another CPU

I just got the new to me Computer, found it on Ebay . I disconnected the battery and intalled the new cpu. After hooking the battery up, I gave it a try, with my fingers crossed. It started right up, and ran for about 3 seconds. It won't run. It will start, but won't stay running. Any ideas on where to go from here?
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Old 02-04-2005, 03:49 PM   #29
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Upon further investigating I found that the oil pressure gauge is still acting erratic. When I turn the key on, it starts at zero and when it turns over and starts, the pressure builds, until it pegs out, then the car shuts off. The only warning lights that come on are "check gauges" and "check oil level" . I checked the oil level and it appears to be right on. Any clues ?
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Old 02-04-2005, 05:40 PM   #30
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You think that would prevent it from running ?
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