FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Fuel Pump Relay Excessive Current

Test 1 - Test 2:




Test 3 - Test 4:






SYMPTOM
P2100-FUEL PUMP RELAY EXCESSIVE CURRENT

TEST NOTE
This symptom is diagnosed using the test P2100-FUEL PUMP RELAY CIRCUIT SHORTED TO VOLTAGE.

POSSIBLE CAUSES
- Intermittent condition
- Fuel lift pump relay
- Fuel lift pump relay control circuit shorted to voltage
- Engine control module