P0351

Tests 1 - 2:

Tests 3 - 6:

Tests 7 - 8:

SYMPTOM
P0351-IGNITION COIL #1 PRIMARY CIRCUIT 2.7L

WHEN MONITORED
With battery voltage greater than 8 volts during engine cranking or greater than 13 volts with engine running Engine RPM less than 3000. No coil in dwell during test.

SET CONDITION
Peak current is not achieved with battery based dwell plus 1.5 msec of diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while running to set.

POSSIBLE CAUSES
- Intermittent Condition
- ASD Relay Output Circuit Open
- Capacitor(s) Shorted To Ground
- ASD Output Circuit Shorted To Ground
- Ignition Coil Driver Circuit Open
- Ignition Coil Driver Circuit Shorted To Ground
- Ignition Coil