Car Problem Reports

Cadillac DeVille Rough Idle Due to EGR Valve Sticking Open

 
Cadillac DeVille Problem
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Model Years Affected: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

Engines Affected: 4.6L V8, 4.9L V8

Average Mileage: 112,483 mi (68,000 mi - 175,000 mi)

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The EGR valve may stick open, causing a rough idle and/or the Check Engine Light to illuminate.

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