P0471

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2017-10-10

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Description:

• The fault code P0471 suggests that there is a problem with the range or performance of the exhaust pressure sensor. This may result in poor engine performance or even engine damage.

Possible Symptoms:

• Reduction in engine performance

• Engine misfires or stalls

• Decreased fuel efficiency

• Illuminated check engine light

Possible Causes:

• Defective exhaust pressure sensor

• Clogged or damaged exhaust system

• Wiring or connection issues in the circuit

• Failed engine control module (ECM)

Related Parts:

• Exhaust Back Pressure Sensor: Exhaust Back Pressure sensor detects any kind of back pressure in the exhaust system. Back pressure is the pressure opposite to the exhaust flow resulting in a lower power output. This car's malfunctioning back pressure sensor may lead to higher emissions & lower performance

Possible Solutions:

• Replace the exhaust pressure sensor

• Check and repair any issues with the exhaust system

• Inspect and repair any damaged wiring or connections in the circuit

• Replace the engine control module (ECM) if necessary