Question about 2000 Buick LeSabre

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Service engine soon light is flashing - 2000 Buick LeSabre

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Have the car scanned for the code's origin. This could mean that the engine will not work as well as it should, and could cause driveability isues.

A constant service engine soon light means that a hard code exists. A flashing light means that an intermittent code exists, but it could become a hard code very quickly.

Posted on Jul 08, 2010

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A flashing light means the PCM is telling you to shut the engine down right away if you do leave it running it could cause catastrophic failure or else it would not be flashing for your immediate attention. Fix me A.S.A.P. is what it's saying.

Posted on Nov 29, 2013

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SOURCE: Cant get Service Engine Soon light to flash codes

NO CODES TO SHOW?

Posted on Aug 12, 2009

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