Fault codes › P047B

P047B

Exhaust Pressure Sensor B Circuit Range/Performance

Generic code Auxiliary Emissions Control Medium severity Hard repair
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iWhat P047B means

  • 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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P047B on OBD DashX

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