P025F
Turbocharger/Supercharger Boost Sensor B Intermittent/Erratic
Generic OBD-II
Common symptoms
What you'll notice
- Check and clean the turbocharger/supercharger boost sensor B
- Inspect and repair any loose or damaged wiring connections related to the boost sensor B
- Replace the turbocharger/supercharger boost sensor B if necessary
- Verify and adjust the calibration of the boost sensor B according to the manufacturer's specifications
Common causes
Most likely first
- Loose or damaged wiring or connectors related to the Turbocharger/Supercharger Boost Sensor B
- Faulty Turbocharger/Supercharger Boost Sensor B
- Air intake restriction or blockage
- Faulty turbocharger/supercharger
- Engine control module (ECM) or powertrain control module (PCM) malfunction
How to diagnose & fix
Work through it in order
- Loss of power or engine performance
- Difficulty accelerating or slow acceleration
- Decreased fuel efficiency
- Engine stalling or hesitation
- Illumination of the check engine light
Read & clear P025F yourself
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