Code No. P0470: Exhaust Differential Pressure Sensor




TROUBLE JUDGMENT



  • Coherence when the engine is switched off or permanent plausibility fault

FAIL SAFE FUNCTION



  • Important engine performances (-50%) after 8 hours with the fault continually detected present.

PROBABLE CAUSE



  • Failed exhaust differential pressure sensor
  • Failed electrical harness in exhaust differential pressure sensor circuit (Refer to Symptom Procedure - Exhaust Differential Pressure Sensor System )