P04E9

2017-10-10

Description:

  • EGR Temperature Sensor D Circuit Intermittent/Erratic

Possible Symptoms:

  • Check and clean EGR temperature sensor connectors and wiring

  • Inspect and replace EGR temperature sensor if necessary

  • Perform a thorough inspection of the EGR system for any blockages or restrictions

  • Test and replace the EGR valve if it is not functioning properly

Possible Causes:

  • Faulty EGR temperature sensor

  • Loose or damaged wiring or connections related to the EGR temperature sensor

  • Carbon buildup or blockage in the EGR system

  • Malfunctioning engine control module (ECM) or powertrain control module (PCM)

  • Faulty EGR valve

Related Parts:

Possible Solutions:

  • Engine hesitation or lack of power

  • Rough idle or stalling

  • Increase in fuel consumption

  • Check Engine Light illumination

  • Exhaust emissions may exceed legal standards

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