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
)