1995 Pontiac Bonneville Q&A
1995 Pontiac Bonneville Question: why is my check engine light on
you need check out the code firat, for your car, I know that the us701 scanner is useful. http://chinasinoy.com/wholesale/maxiscan-us703-code-scanner-reader-free-shipping.html hopefully help. Or you can go to auto zone, they will check for you, and then fix for you. - chinasinoy
Sometimes it can be as simple as your gas cap not being tight due to air. - GONZOGIRL
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