P00F8
Turbocharger Outlet Pressure Sensor A Circuit
Generic electrical fault on turbocharger outlet pressure sensor A (post-compressor pressure measurement).
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Common causes
Ordered by how often each turns out to be the cause.
- Sensor failedCommon
Parts involved
- Turbo Outlet Pressure Sensor A
- Sensor Wiring
P00F8 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.