P0300

Tests 1 - 2:

Tests 3 - 6:

Tests 7 - 8:

SYMPTOM
P0300-MULTIPLE CYLINDER MISFIRE

WHEN MONITORED
Any time the engine is running, and the Target Learning Coefficient has been successfully updated.

SET CONDITION
When more than a 1.8% misfire rate is measured during two trips. Above 3000 RPM 1 trip less than 3000 RPM 2 trip.

POSSIBLE CAUSES
- Intermittent misfire
- Secondary ignition
- Engine mechanical problem
- Fuel system problem
- Erratic CAM/crank sensor signals
- Other possible causes for mis-fire
- PCM