Car Problem Reports

Cadillac Seville SLS Rough Idle Due to EGR Valve Sticking Open

Cadillac Seville SLS Problem
16 Reports
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Model Years Affected: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

Average Mileage: 114,666 mi (104,000 mi - 127,000 mi)


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

  •  Rookie

    Chck engine light came on recently. After extensive research online I believe the egr valve is causing this issue as well. The car when in park or sitting at a stop sign/red light rpm will jump slightly sometimes and be very rough and jump a lot other times

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