Question about 2004 Cadillac Deville

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Engine light will not light with my other lights on 2000 seville

My car failed smog because the check engine light will not light up with the other accessorie lights ...is this problem a fuse problem or a bulb problem or an engine problem

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Make sure the fuse for the diagnostic connector is ok, look in the owners manual for it's location, it may be listed with other items so read the fuse descriptions for each fuse carefully.

Posted on Nov 21, 2008

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Why can't I pass smog check engine light won't come on


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You need to have the cause of your inoperative check engine light diagnosed and repaired.

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1 Answer

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2 Answers

Jetta failing smog due to non communication with OBD - Suggestions?


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