Worn Valve Seats May Cause Engine Misfire on Chevrolet G20

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.

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