Car encyclopedia

EGR Position Sensor

The exhaust gas recirculation (EGR) position sensor monitors the position of the EGR valve and transmits the signal to the engine control computer.

Symptoms of Wear or Failure

  • Check Engine Light may illuminate
  • Erratic idle or lack of power
  • Emissions failure

Related Repair Advice

  • The EGR valve position sensor is commonly part of the EGR valve. As a result, is failure may require replacement of the EGR valve.
  • Whenever the EGR valve is replaced, the EGR system passages should be checked to confirm that they are clear 

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