Question about 1994 Cadillac DeVille
Service Engine soon light came on and stays on but car runs great, any ideas what the problem could be? The pcv valve is new
Probably needs an oil change (if it already hasn't had one) and the light reset. If that doesn't help, take it and have a code scanner hooked up to it, to find out why the light is on.
If there is an autozone or advanced auto near you, go there, and tell them you have an engine light on and need to read the code.
They usually don't charge, other places do.
Posted on Jun 27, 2009
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Posted on Jan 02, 2017
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