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.
Engine Misfire Due to Worn Valve Seat on Chevrolet G Series Van (G30)
Average mileage: (–)
Engine affected: 5.7L V8
3 people reported this problem
0 people shared problem details
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/...
The distributor may develop internal faults. This can cause a rough running engine or stalling...
I had to by pass valve cause no fluid went to rear brakes
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases,...