Powertrain
generic / SAE
P2262
Turbo Boost Pressure Not Detected - Mechanical
The ECU does not detect any meaningful boost pressure increase under load even though the turbocharger is commanded. Likely a mechanical defect in the turbo, charge-air piping or wastegate.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 62
Possible causes
- Charge pipe loose or split high
- Turbocharger mechanical damage medium
- Wastegate stuck open 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: 400–3000 €
- Estimated time: 2–8 h
- Component: turbocharger
- Component: charge air pipe
- Component: wastegate actuator
- Component: boost pressure sensor
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012