Question about 2002 Buick LeSabre

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Service engine soon light

Just recently the service engine soon light lit up not flashing or dinging just solid. We were told that in the manual there is a procedure to follow to turn it off. Where is it? We tried the gas cap thing but that wasn't it.

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  • shtrobe Apr 17, 2009

    My service engine soon light came on and I was wondering if anyone knows how to get the light to flash out the code. I think you can turn the ignition from acc. to on like three times or something and it will flash out a code that tells you your problem. Then you look it up on a chart and you will know if it is an o2 sensor or the fuel system or something general like that.

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You need to have the vehicle scanned or pull the code out with a code reader,and address/fix the code.If you do not repair the problem,you can clear the code,but the service engine light will come right back on.To clear the code,you can disconnect the negative terminal on the battery for at least 20 minutes,then reconnect the battery,but the car is going to be hard to get to idle,because sometimes the computer has to relearn how to idle the engine without stalling.Good luck.

Posted on Jul 10, 2008

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  1. The check-engine light may be a graphic of an engine or similar icon, or it may contain the words "check engine" or "service engine." In some vehicles, a red check-engine light means the car needs absolute immediate attention while a yellow check-engine light means you need to make an appointment soon. Either way, you should know the location of the light and periodically glance at it to ensure its status. The light is used to indicate power train problems that are associated with your vehicle's emissions system. (The power train is the engine, transmission and other power parts of your vehicle.)
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How to reset (erase the light):
Open the fuse access panel on the driver side. Youll see a small rectangular red button labeled RESET.
Turn ignition ON
Press the RESET button repeatedly until you see the SERVICE ENGIN light flashing on the dash.
Press and hold the RESET button for a few seconds until you hear 5 'dings'. It will turn off.
Turn ignition OFF.
Drive safely.
Good luck.
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I DON'T HAVE AN OWNER'S MANUAL. INDICATOR LIGHTS ARE ON, AND I DON'T KNOW WHAT THEY ARE FOR.


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