Check engine light stays on - 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 09-21-2008, 04:44 PM   #1
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Default Check engine light stays on

Is it norm for the engine light on a 94 Bonneville SE to always stay on? We just bought it the other day, we love it, it rides good,, but the check engine light stays on. Why?
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Old 09-21-2008, 05:25 PM   #2
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Can you go to a autozone and have them scan the car? Without a code we have no idea what'* wrong. Many times a loose or leaking gas cap can cause a light to go on.
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Old 09-22-2008, 09:37 AM   #3
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you should never buy a car with a cel.
also you can't get it to pass inspection with a cel...

glad you like the car.
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Old 09-26-2008, 01:48 PM   #4
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Here is a way to check your vehicle codes on your own! hope this helps out and figure out why the CEL stays on... GM 1983-1995 OBD1 Decoder Let me know if there is anything else you may need.
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Old 10-08-2008, 12:15 AM   #5
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maybe your gas cap isnt tight enough
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Old 10-09-2008, 09:14 PM   #6
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Please post your questions in the proper sections, it makes it so much easier when other look for similar problems.
Moved to Maintenance and Mechanical 92-99
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