P0253

Tests 1 - 3:

Tests 4 - 9:

SYMPTOM
P0253 - FUEL INJECTION PUMP FUEL VALVE OPEN CIRCUIT

WHEN MONITORED
Ignition On.

SET CONDITION
Engine speed> 100 rpm, Low current or no current detected at the Fuel Metering Valve.

POSSIBLE CAUSES
- Fuel injection pump ground circuit open
- Fuel injection pump relay output circuit open
- Fuel pump control module wiring harness observable defect
- Fuel injection pump
- Battery (voltage < 12.0 volts)
- Battery (voltage < 8.0 volts)