Powertrain
generic / SAE
P22D8
Turbocharger Turbine Inlet Valve Position Sensor Circuit Intermittent/Erratic
Position sensor signal jumps or drops out intermittently. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / D8
Possible causes
- Intermittent connector high
- Connector with intermittent contact under vibration low
- Harness routed against vibrating component low
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–700 €
- Estimated time: 0.5–2.5 h
- Component: turbine inlet valve
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012