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

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

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Average mileage: 119,400 (78,000–175,000)
11 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002, 2003, 2004
20 people reported this problem
3 people shared problem details
My car shake when I push on the gas.
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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