P01FF
Turbocharger Outlet Pressure Sensor A/B Correlation
Generic OBD-II
Real-world scan data
Seen in
30
scans in the past year
Found in
<0.1%
of scans
<0.1%
of scans that found faults
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
Common symptoms
What you'll notice
- Check the wiring and connections of the turbocharger outlet pressure sensor
- Clean or replace the turbocharger outlet pressure sensor
- Inspect and clean the turbocharger
- Check the intake and exhaust system for any restrictions or leaks
- Perform a computerized engine diagnostic to identify any other potential issues affecting the sensor accuracy
Common causes
Most likely first
- Faulty turbocharger outlet pressure sensor
- Clogged or restricted turbocharger inlet or outlet
- Intake air leak between turbocharger and throttle body
- Faulty turbocharger wastegate valve
- Engine control module (ECM) software update needed
How to diagnose & fix
Work through it in order
- Loss of power or decreased engine performance
- Turbo lag or delayed acceleration
- Engine misfires or rough idle
- Increased fuel consumption
- Illuminated check engine light
Read & clear P01FF yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.