May not be the idle air control motor, I've been haveing issues only at idle with mine loping 200rpm, I have a new motor on order. You need to check the engine codes which on your model is done through the Climate control center I believe. Or if you have a message center on the dash. There's a good website for cadi's that explains the process and gives the diagnostic codes. No more spending 70$ at the service shop for diagnostic checks. Do a yahoo search for cadillac Diagnostic codes and read through the info.
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Saturday, June 30th, 2007 AT 10:48 AM