P004F - Turbocharger/Supercharger Boost Control 'B' Circuit Intermittent/Erratic

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P004F Possible Causes

  • Faulty boost pressure/ turbocharger position sensor
  • Boost pressure/ turbocharger position sensor harness is open or shorted
  • Boost pressure/ turbocharger position sensor circuit poor electrical connection
  • Faulty turbocharger/supercharger

First diagnose P004F code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P004F code

    Labor: 1.0

    The cost of diagnosing the P004F code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P004F Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P004f Description

The turbocharger has nozzle vane which opens and closes to control the volume of the exhaust gas flowing into the turbine. This, in turn, controls the boost pressure, when the nozzle vane moves towards the closing direction, the pressure increases. When the vane moves towards the opening direction, the pressure decreases.
OBDII Code P004f - Turbocharger/Supercharger Boost Control 'B' Circuit Intermittent/Erratic - AutoCodes.com

P004F More Information

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P004F Comments

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