Turbocharger Turbine Inlet Valve Position Sensor Circuit Range/Performance

Where it lives

For P22D5, start at the sensor the description names.

Check these first

• A turbine inlet valve position sensor contaminated or worn
• A chafed signal wire in the position sensor circuit
• A loose or corroded position sensor connector
• A position sensor that has lost its calibration
• A boost or vacuum leak skewing the position reading

What to do next

1. Inspect the position sensor connector and signal wire
2. Watch turbine inlet valve position live data through its travel
3. Check for boost or vacuum leaks around the turbocharger
4. Run the position sensor calibration procedure
5. Replace the turbine inlet valve position sensor if the signal drifts
6. Clear the code and retest

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