My 1990 cadillac sedan deville idles high.
1990 Cadillac DeVille

My 1990 cadillac sedan deville Idles high.

(1990 Cadillac DeVille)
If I press on the brake hard it will idle down. When I am driving if I let off the gass it will maintain speed, without the cruise control on. I just had a tune up done and it has been doing sinse then. What could thye problem be?
1 answer & 0 comments
Popular Answer
on November 11, 2012
possible vacuum leak
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General Diagnosis
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on November 11, 2012
possible vacuum leak
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