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Why is my check engine light on

(1995 Pontiac Bonneville)
in Detroit, MI on September 20, 2011
check engine light will not go off and computer wont read
Displaying 2 answers & 0 comments
Popular Answer
on September 20, 2011
you need check out the code firat, for your car, I know that the us701 scanner is useful.
hopefully help.
Or you can go to auto zone, they will check for you, and then fix for you.
on September 30, 2011
Sometimes it can be as simple as your gas cap not being tight due to air.
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