P0306

Test 1:

Tests 1 - 7:

Tests 8 - 12:

Tests 13 - 15:

SYMPTOM
P0306 CYLINDER # 6 MISFIRE

TEST NOTE
This symptom is diagnosed using the test P0305 CYLINDER # 5 MISFIRE

WHEN MONITORED
With the engine running, after successfully performing a crank sensor learn.

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

POSSIBLE CAUSES
- Misfire intermittent defect
- Other possible causes for misfire
- Cam, crank, valve timing, or vacuum problem
- Ignition coil output low
- Engine mechanical problem
- Secondary ignition pattern irregular
- Fuel contamination
- Fuel pressure leak down out of specification
- Fuel pump amperage out of specification
- Fuel pump capacity out of specification
- Fuel pump pressure out of specification