Volvo Engine D13F Fault Code: PID 131 FMI 5 Exhaust Back Pressure
Volvo Engine D13F Fault Code: PID 131 FMI 5 Exhaust Back Pressure
CONTROL UNIT:
Engine ECU
DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is below 0.2 V.
SYMPTOM:
Reduced engine brake power.
POSSIBLE CAUSES:
1. Sensor fault.
2. Open circuit in cable harness.
