What would cause #4 cylinders to misfire at the same time. And suggestions for repair
Jun 29, 2008 at 4:00 AM
2003 Chevy Avalanche cylinder misfire
CARL KINGSBURY
- MEMBER
- 1 POST
Advertisement
possible bad head gasket, bad injector wiring, bad PCM, bad plug wires, injectors need to be cleaned. Most likely a vaccum leak at the intake manifold. there can be a whole list of things. did you check to see if thre was spark at the plug wires and injector pulse at the fuel injectors. also check for a vaccum leak at that point of the intake
Jun 30, 2008 at 12:52 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement
parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.