OBD-II code · Powertrain (generic)
P01FE Turbocharger Outlet Pressure Sensor B Intermittent/Erratic
Intermittent signal from turbo outlet pressure sensor B. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
Is it safe to drive with P01FE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyConnector loose or corroded
- Less likelyConnector with intermittent contact under vibration
- Less likelyHarness routed against vibrating component
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Turbo Outlet Pressure Sensor B, Sensor Wiring
Related codes
- P00FCTurbocharger Outlet Pressure Sensor A Intermittent/Erratic
- P01FBTurbocharger Outlet Pressure Sensor B Range/Performance
- P01FCTurbocharger Outlet Pressure Sensor B Circuit Low
- P01FDTurbocharger Outlet Pressure Sensor B Circuit High
- P01FFTurbocharger Outlet Pressure Sensor A/B Correlation
- P0200Injector Circuit/Open
- P0201Injector Circuit Malfunction — Cylinder 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.