Problem Reports
Cadillac DeVille
Report: Rough Idle Due to EGR Valve Sticking Open
Cadillac DeVille Problem
Model Years Affected: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Engine Affected: 4.6L V8
Average Mileage: 113,759 mi (78,000 mi - 136,000 mi)
Verified
The EGR valve may stick open, causing a rough idle and/or the Check Engine Light to illuminate.
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Report #1mercurygs, 1996 Cadillac DeVille, 113,555 mi
Rookieabout the EGR i have the same problem.... the EGR is 150.00 200.00 never buy used from a junk yard or clean them i did both and lost money. you have to buy new!
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Report #2Visitor, 2001 Cadillac DeVille, 132,000 mi
car was idling at 1325rpm idle control motor was not open and closing like supposed to.
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Report #3stevie40, 1999 Cadillac DeVille, 136,000 mi
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Report #4Visitor, 2002 Cadillac DeVille, 88,000 mi
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Report #5Visitor, 2002 Cadillac DeVille, 135,000 mi
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Report #6Visitor, 2005 Cadillac DeVille, 78,000 mi
rough idle ony when first start engine
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