Question about 1987 Cadillac DeVille
What is the problem when my check engine soon light comes on. is it mechanical or emissions 1987 cadillac deville
You can't tell what the problem is just by the presence of the "check engine light." Many sensors can set off the light. You can connect a diagnostic analyzer to the vehicle and it will spit out codes that you can look up to see what the problem is. That is what most shops do, or you can buy an analyzer and do it yourself. It may be harder to find one for a 1987 car though
Posted on Mar 05, 2009
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Posted on Jan 02, 2017
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