P056F

2017-10-10

Description:

  • Cold Start Turbocharger/Supercharger Boost Control B Performance

Possible Symptoms:

  • Check for any vacuum leaks in the intake system and repair them if necessary

  • Inspect the turbocharger/supercharger bypass valve and replace if faulty

  • Perform a thorough cleaning of the intake system and throttle body

  • Test and replace the wastegate solenoid if it is not functioning properly

  • Check the sensor readings of the boost pressure sensor and replace if readings are inaccurate

Possible Causes:

  • Faulty turbocharger or supercharger

  • Boost pressure sensor malfunction

  • Wastegate valve stuck open

  • Boost pressure control solenoid failure

  • Clogged air intake or intercooler

Related Parts:

Possible Solutions:

  • Lack of power during acceleration

  • Engine misfire or hesitation

  • Decreased fuel efficiency

  • Rough idle or stalling

  • Check engine light illuminated

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