Possible Causes
| Possible Causes |
|---|
| FUEL PUMP RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| FPCM FEEDBACK RETURN CIRCUIT SHORTED TO GROUND |
| FPCM FEEDBACK RETURN CIRCUIT SHORTED TO VOLTAGE |
| FPCM FEEDBACK RETURN CIRCUIT OPEN/HIGH RESISTANCE |
| FUEL PUMP ASSEMBLY PWM CONTROL CIRCUIT SHORTED TO GROUND |
| FPCM GROUND CIRCUIT OPEN/HIGH RESISTANCE |
| FUEL PUMP CONTROL MODULE (FPCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .