EGR Valve Stuck Open Due to Carbon Stuck in Valve on Chevrolet Astro
Problem overview
4.3L V6 multi-port FI only The exhaust gas recirculation valve (EGR) may stick open causing a rough idle and the Check Engine Light to illuminate. Our technicians tell us that a piece of carbon may become stuck in the valve causing this problem. Cleaning the valve will usually correct this condition, in some rare cases the valve will need to be replaced.
4 people reported this problem
1 commentChevrolet Astro vehicles with this problem
Average mileage: 160,000 miles
(160,000 - 160,000)
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