P0300

Test 1 - Test 4:

Test 5 - Test 8:

SYMPTOM
P0300-MISFIRE DETECTED

WHEN MONITORED
With the engine running.

SET CONDITION
The ECM detects multiple misfires from one or more cylinders.

POSSIBLE CAUSES
- Checking for fuel leakage
- Checking injector classification
- Correction quantity check
- Cylinder speed check
- Engine compression
- Injector leakage
- Intermittent condition