Rough Idle Due to EGR Valve Sticking Open on Cadillac Seville

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

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Average mileage: (–)
11 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002, 2003, 2004
11 people reported this problem
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