Felkodsregister · medium
P0234
Turbocharger overboost condition
Turbocharger overboost condition
Applies to: 2.0D / 2.2D diesel (Ford Duratorq TDCi), 2003-2009 · Confidence: Platform code set + documented field failures
Common causes
- Variable geometry turbo vanes sticking
- Boost control actuator fault
- Split or disconnected boost hose
Quick checks
- Scan access: Generic OBD-II scan tool / WDS-IDS
Typical fixes
- Free off or replace the VNT actuator - sticking vanes from soot build-up are the classic Duratorq fault
- Check boost pipework and clamps