Technical Definition:
Exhaust Pressure (Sensor A) Circuit Low
Trouble Code: P0472
Address: 0x0472
System: Powertrain
Subsystem: Auxiliary Emission Controls
Address: 0x0472
System: Powertrain
Subsystem: Auxiliary Emission Controls
Technical Description:
Possible Causes:
Possible Symptoms:
Exhaust Pressure Sensor Low
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Faulty Exhaust Back Pressure Sensor
– Exhaust Back Pressure Sensor harness is open or shorted
– Exhaust Back Pressure Sensor circuit poor electrical connection