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Cadillac Seville SLS Problems

Rough Idle Due to EGR Valve Sticking Open on Cadillac Seville SLS

Problem Description and Possible Solution

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

(24 people reported this problem)

Cadillac Seville SLS Vehicles With This Problem

RepairPal Verified
Average mileage: 119,400 (78,000–175,000)
11 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002, 2003, 2004
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