Why is my 1999 cadillac deville idled so hi

Asked by Jeremy Oct 22, 2014 at 08:43 PM about the 1999 Cadillac DeVille Concours Sedan FWD

Question type: Maintenance & Repair

3 Answers
145,335

T_S_T answered 10 years ago

Usually,high idle is caused by a vacume leak,check intake for loose line,s and all other vacume hose,s,

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