P02FA — Diesel Intake Air Flow Position Sensor Minimum/Maximum Stop Performance
The diesel intake throttle position sensor does not reach the calibrated minimum or maximum stop value during a self-test sweep — typically sensor wear, mechanical stop misalignment, or a sticky throttle plate.
General code reference. Confirm the definition and diagnostic procedure for your vehicle's year, model and engine. A stored code alone does not identify a failed part.
Affected components
- Diesel intake throttle position sensor
- Diesel intake throttle
Possible causes to check
These are possible checks, not a ranked diagnosis. Follow the vehicle manufacturer's test procedure before replacing parts.
- Sensor or mechanical stop worn
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Sources
Check each reference's vehicle and model-year scope. General background links do not establish which fault is most likely on your vehicle.
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.