P2511

Test 1 - 2:

Test 3 - 6:

Test 7 - 8:

SYMPTOM
P2511 - EGR VALVE SIGNAL CIRCUIT SHORTED TO GROUND

POSSIBLE CAUSES
- Checking the engine control relay system
- Intermittent condition
- Engine control relay output circuit Open
- EGR valve control circuit shorted to ground
- EGR valve control circuit open
- EGR solenoid
- Engine control module