P01FA
Turbocharger Outlet Pressure Sensor B Circuit
Generic OBD-II
Common symptoms
What you'll notice
- Check for any loose or disconnected wires or connectors related to the turbocharger outlet pressure sensor
- Inspect and clean the turbocharger outlet pressure sensor
- Replace the turbocharger outlet pressure sensor
- Inspect and repair any damaged or blocked turbocharger components
- Check and recalibrate the engine control module (ECM)
Common causes
Most likely first
- Faulty turbocharger outlet pressure sensor
- Loose or corroded wiring connections in the circuit
- Blocked or restricted turbocharger outlet or exhaust system
- Faulty engine control module (ECM)
- Malfunctioning turbocharger
How to diagnose & fix
Work through it in order
- Decreased engine performance or power
- Engine stalling or surging
- Illuminated check engine light
- Increased fuel consumption
- Turbocharger failure
Read & clear P01FA yourself
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