Rough Idle and Check Engine Light Due to Sruck Open EGR Valve on Chevrolet Astro

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.

RepairPal Verified
Average mileage: 160,000 (160,000–160,000)
3 model years affected: 1992, 1993, 1994
4 people reported this problem
1 person shared problem details
1992 Chevrolet Astro160,000
replaced egr valve, no idle
Related Items:
The EGR valve may stick open causing a rough idle and the Check Engine Light light to illuminat...
I can blow through the valve and the connecting tube. Other than that the engine runs fine. The...
error code said IAC valve
Where is the EGR valve located on 91' astro van

Related Content