Check engine light - 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 01-11-2005, 12:33 AM   #1
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Default Check engine light

The check engine light comes on when i am driving on the experessway. Then goes out when i hit the gas any ideas
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Old 01-11-2005, 12:35 AM   #2
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It happens when you idle? Does it only do it on the freeway?
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Old 01-11-2005, 12:35 AM   #3
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lets all say it together..............


pull the codes, there are stored in there
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Old 01-11-2005, 12:38 AM   #4
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no codes found and only on the highway sounds like a idlle problem 2 me
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Old 01-11-2005, 09:48 AM   #5
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bump
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Old 01-11-2005, 10:54 AM   #6
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right. but the problem would be you're not at idle on the freeway. so that'* out. once you get on the gas, it goes away? do you get any strange feelings from it? does it hang up when you hit the gas? does the torque convertor unlock?

does the torque convertor lock up to begin with?
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Old 01-11-2005, 02:12 PM   #7
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Default wires

This has done this to me and is doing it once again. I got the wires changed and that was the only problem, but now it'* doing it again and I'm not sure why. I work at the GM dealership here so I'll have it checked out once I get a chance and tell you what I discover.
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Old 01-11-2005, 11:57 PM   #8
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Default Re: wires

Quote:
Originally Posted by TMoney
This has done this to me and is doing it once again. I got the wires changed and that was the only problem, but now it'* doing it again and I'm not sure why. I work at the GM dealership here so I'll have it checked out once I get a chance and tell you what I discover.
my intake fell off my car so the mass air flow sensor was throwing codes left and right
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Old 01-12-2005, 12:02 AM   #9
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I had the same thing happen to me in my old 88 lesabre. it ended up being a bad knock sensor.
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Old 01-12-2005, 12:46 AM   #10
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Default Re: Check engine light

Quote:
Originally Posted by Kennginn
The check engine light comes on when i am driving on the experessway. Then goes out when i hit the gas any ideas
If the Check Engine light came on ther has to be a code.
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