Engine Misfire Due to Worn Valve Seat on Chevrolet Express 1500

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.

RepairPal Verified
Average mileage: (–)
Engine affected: 5.7L V8
7 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002
7 people reported this problem
0 people shared problem details
Related Items:
One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this probl...
...ent away for two weeks and code PO300 re-appeared. Repaired made replaced the CMP sensor. The engine was fine for a week or so, the check engine light returned, found code PO306, and PO507, found...
A coolant leak may develop from the water pump. This can result in an engine overheating condit...
Items I've replaced : Crank position sensor neutral safety switch...

Related Content