Code No. P0472: Exhaust Differential Pressure Sensor Low

TROUBLE JUDGMENT

• Value too low, short circuit to earth or pipes kinked
  

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 )