P04A2

2017-10-10

Description:

  • Issue with the exhaust gas pressure sensor detected

Possible Symptoms:

  • Check Engine Light/MIL will be on

Possible Causes:

  • Faulty Exhaust Back Pressure Sensor

  • Exhaust Back Pressure Sensor harness is open or shorted

  • Exhaust Back Pressure Sensor circuit poor electrical connection

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:

  • Replacing the exhaust back pressure usually takes care of the problem

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