2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Check Engine Light Flickers.

Old Jan 25, 2006 | 02:48 PM
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Check Engine Light Flickers.

I have noticed the check engine light will flicker at random times. Some times when I hit a small bump, it activates, other times I hit a large bump and it does nothing. Usually it flashes so fast I can only see it peripherally. I have done a few searches here and found nothing like this. It almost seems like something is loose. I have checked under the hood, and found nothing obviously unplugged. I could use some more guidance though. Thanks in advanced!

Matt|ttaM
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Old Jan 25, 2006 | 03:14 PM
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From: CenCal
loose wiring maybe, check it out.
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Old Jan 25, 2006 | 03:28 PM
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Check codes, I know I get a CEL from the TPS but it only comes on under certain conditions.

So, if the CEL is from the TPS, make sure the TPS is plugged in properly.
If it is an OMP code, make sure the OMP harness is plugged in all the way, and so on.
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Old Jan 25, 2006 | 04:01 PM
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Originally Posted by Tessai
Check codes, I know I get a CEL from the TPS but it only comes on under certain conditions.

So, if the CEL is from the TPS, make sure the TPS is plugged in properly.
If it is an OMP code, make sure the OMP harness is plugged in all the way, and so on.
Thanks for the reply, unfortunately I don't know where to look for those. I have found a link that tells how to check the codes, but it does not mention CEL. Any more info and a starting point to troubleshoot would be greatly appreciated!

Here's the afore mentioned link:

http://www.johnr.com/cpucodes.html

Matt|ttaM
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