Cadillac Eldorado Problem Report

Cadillac Eldorado Rough Idle Due to EGR Valve Sticking Open

(7 reports)

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

This happened to me so I took the EGR valve off soaked it in carb cleaner and cleaned out the line replaced gasket and re-installed no more issues. -
codes p0300 p01740171 -
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