P0405

Tests 1 - 3:

Tests 4 - 8:

Tests 9 - 11:

SYMPTOM
P0405-EGR POSITION SENSOR VOLTS TOO LOW (6 CYLINDER)

WHEN MONITORED
With the ignition ON. Battery voltage above 10.0 volts.

SET CONDITION
EGR Position Sensor Signal is less than 0.157 volts.

POSSIBLE CAUSES
- EGR Position Sensor Sweep
- Intermittent Condition
- 5 Volt Supply Circuit Shorted To Ground
- 5 Volt Supply Circuit Open
- EGR Position Internal Failure
- EGR Position Sensor Signal Circuit Shorted To Ground
- EGR Position Sensor Signal Circuit Shorted To Sensor Ground Circuit
- PCM 5 Volt Supply Circuit
- PCM EGR Position Sensor Signal