Check Engine Light, Runs rough - 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 11-04-2004, 01:35 AM   #1
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Default Check Engine Light, Runs rough

:( Hello,
Newbie here, I have a 99 Bonneville SSE without the supercharger that ran fine when I shut it off yesterday. Just started it to go to work and the check engine light is on and its running like it has bad gas or is missing a cylinder. The fuel pump has been noisy for a couple of months, still is, so I believe it to be working.

I know this is a pretty general question, but I don't know where to start.

Any thoughts would be greatly appreciated!!!

Thanks!
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Old 11-04-2004, 08:59 AM   #2
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You need to start by having the car scanned. Take it to AutoZone and they will scan it for free. Then, post the codes here. Someone will help you out!

BTW..welcome to the club!
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Old 11-04-2004, 02:02 PM   #3
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Default check engine Light, runs rough

Hi,

Thanks so much for the Auto Zone tip, I forgot they do that for free. I'll let you know....................

Thanks Again.
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