Question about 1990 Cadillac Deville
I have 90 cadi deville when i come to a stop it down shifts hard the idle is high until i completely stop need help
Sounds like your transmission. also it could be the axle, which if it is, consider yourself lucky. you should get it checked out.
Posted on Dec 30, 2008
Idle control motor. Happened to me, they remove it, unless you want to pay $700 for the new one.
However it idles really rough for awhile after startup now, but eventually smooths out. Can cause vapor lock occasionally as well. Good luck!
Posted on Jan 07, 2009
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Posted on Jan 02, 2017
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