Cadillac Seville Problem Report

Cadillac Seville Rough Idle Due to EGR Valve Sticking Open

(11 reports)

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

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car will not idle can drive with both feet
The EGR control solenoid or EGR valve may fail causing the Check Engine Light to illuminate.
I have a 1990 cadillac seville. It has been missfiring on me and it backfires and looses power...