Ughh.... engine troubles. - Page 2 - 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 09-02-2007, 06:32 PM   #11
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also when u check for spark, check for blue (or possibly white.)

if its any type of red or copper color spark, thats no good.

and although it wouldnt stop the engine from starting, you should always use 91+ octane. never use anything less.
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Old 09-03-2007, 05:53 PM   #12
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Sam.. lol I dunno where you are going to check for the spark to see the color. All my sparks are barney purple.. j/k

I'll reiterate.. at the moment we know very little about the car except it doesn't run.

Check the fuel pressure
Check for any presence of spark

If you have both..Tech Ted has posted how to check to see if the injectors are firing.

Get those tests out of the way and we'll have much more to go on.
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Old 09-03-2007, 06:20 PM   #13
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Ok a little bit of an update. I got the car running... the plugs were shot, electrodes were worn down and the gap was huge... but, it now skips/misses at ALL RPM'*. So yes it has fuel and spark... but, I need to check and make sure I have the right firing order... because the black plugs were giving me trouble, and it wasn't very light out.
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Old 09-03-2007, 06:22 PM   #14
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Replace your wires also.
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Old 09-03-2007, 06:35 PM   #15
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agreed
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Old 09-03-2007, 06:36 PM   #16
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OK another update... I found the problem with the last update... the inside connection on the #3 wire was bent, causing a bad connecting... fixed it, and it is not skipping at all RPM'* anymore....
BUT... it is now back to the origional problem.
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Old 09-03-2007, 10:02 PM   #17
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Quote:
Originally Posted by willwren
Replace your wires also.
Wires are new as are plugs. Origional problem still happening. Does anyone have an idea as to what it might be?
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Old 09-03-2007, 11:32 PM   #18
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does ur 92 have an egr?
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Old 09-04-2007, 01:35 AM   #19
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Have you checked the fuel pressure?
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Old 09-04-2007, 02:10 AM   #20
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Be sure to go back and make a checklist of the things that have been listed here, all very good to start with, and I'd recommend those before anything else.

I would like to add that both my previous 92 SSEi as well as the SE I have now experienced these same issues and it turned out to be the ICM/coils on both accounts, so be sure you check those as well. Info on how to do so may be found in Techinfo, or you can just click here... http://www.bonnevilleclub.com/forum/...e=article&k=33
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