P04E4

2017-10-10

Description:

  • Crankcase Ventilation Hose Connection Sensor Circuit Intermittent/Erratic

Possible Symptoms:

  • Inspect and clean the crankcase ventilation hose connection sensor

  • Replace or repair the crankcase ventilation hose connection sensor

  • Check and fix any loose connections or damaged wiring related to the sensor circuit

  • Update or reprogram the vehicle's engine control module (ECM)

  • Conduct a thorough inspection of the overall crankcase ventilation system and address any issues found

Possible Causes:

  • Incorrect installation or loose connection of the crankcase ventilation hose

  • Faulty or malfunctioning sensor circuit

  • Intermittent electrical connection issues within the sensor circuit

  • Sensor circuit experiencing erratic behavior or fluctuations

  • Sensor circuit encountering intermittent faults or errors during operation

Related Parts:

Possible Solutions:

  • Engine misfire or rough idle

  • Decreased engine performance or power

  • Check engine light (MIL) illuminated

  • Irregular or erratic engine idling

  • Excessive oil consumption

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