Check Engine Light Due to EGR Control Solenoid/Valve Failure on Cadillac Seville STS

Problem Description and Possible Solution

The EGR control solenoid or EGR valve may fail causing the Check Engine Light to illuminate.

Problem Data
RepairPal Verified
Average mileage: 81,000 (81,000–81,000)
3 model years affected: 1990, 1991, 1992
4 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
Viewing 1 - 1 of 1 comments
some times run rough, idle s up and down.