GM 6.2L V8
6.2L misfire diagnosis
Misfire diagnosis for the 6.2L direct-injected V8.
Why this matters on the GM 6.2L V8
Direct injection, AFM/DFM lifters and ignition all cause 6.2L misfires. We isolate the cause before replacing parts.
Symptoms owners notice
- Flashing check engine light
- Rough idle
What we check
- Misfire counters
- Coil and plug tests
- Injector check
- Compression
Repair work involved
- Ignition, injector or valvetrain repairs