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P0302

Tests 1 - 2:




Tests 3 - 6:




Tests 7 - 10:




Tests 11 - 12:





SYMPTOM
P0302-CYLINDER # 2 MISFIRE

TEST NOTE
All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0300-MULTIPLE CYLINDER MISFIRE.

WHEN MONITORED
Any time the engine is running, and the adaptive numerator has been successfully updated.

SET CONDITION
When more than a 2% (1.5% LEV) misfire rate is measured during two trips, or with a 10% to 30% misfire rate during one trip.

POSSIBLE CAUSES
- Misfire conditions no longer exist
- Fuel system problem
- Secondary ignition or mechanical problem
- Erratic cam/crank sensor signals
- Engine mechanical problem
- Other possible causes for misfire