P0472

2017-10-10

Description:

  • The fault code P0472 indicates that there is a problem with the circuit that controls the exhaust pressure sensor. This may cause the engine to have reduced power or acceleration.

Possible Symptoms:

  • Reduced engine power or acceleration

  • Illuminated check engine light

  • Engine may go into limp mode

  • Decreased fuel efficiency

Possible Causes:

  • Faulty exhaust pressure sensor

  • Damaged or corroded wiring and connections in the circuit

  • Loose or corroded electrical connections

  • 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 faulty exhaust pressure sensor

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

  • Clean or tighten any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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