My 04 Deville is idling at @ 1250 rpms. Help.

Asked by Hvsjr Dec 06, 2013 at 10:49 AM about the 2004 Cadillac DeVille DTS Sedan FWD

Question type: Maintenance & Repair

1 Answer
199,945

dandyoun answered 10 years ago

I would suspect either a vacuum leak or a dirty or faulty idle air control valve.

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