P0471

Technical Definition:

Exhaust Pressure (Sensor A) Circuit Range / Performance

Trouble Code: P0471
Address: 0x0471
System: Powertrain
Subsystem: Auxiliary Emission Controls
Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Pressure Sensor Range/Performance

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

Specific Makes:

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