P0470

2017-10-10

Description:

  • The fault code P0470 indicates that there is a malfunction with the exhaust pressure sensor. This may cause the engine to have poor performance or not start at all.

Possible Symptoms:

  • Illuminated check engine light

  • Reduced engine power or acceleration

  • Excessive smoke from the exhaust

  • Difficulty starting the engine

Possible Causes:

  • Defective exhaust pressure sensor

  • Wiring or connection issues 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 exhaust pressure sensor

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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