Powertrain
generic / SAE
P2263
Turbo/Super Charger Boost System Performance
Boost pressure does not match the requested target during normal operation. The deviation between commanded and measured boost exceeds the calibrated tolerance, often due to leaks, sticking actuators or sensor errors.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 63
Possible causes
- Charge-air leak high
- VNT vanes sticking with soot high
- Boost pressure sensor drift medium
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: hard
- DIY: shop recommended
- Estimated cost: 200–2500 €
- Estimated time: 1–6 h
- Component: turbocharger
- Component: boost pressure sensor
- Component: vnt actuator
- Component: charge air pipe
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012