P2131
Throttle/Pedal Position Sensor "E" Range/Performance
The "E" channel of the pedal/throttle sensor produces electrically valid values that do not match other channels or the operating window.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Common causes
Ordered by how often each turns out to be the cause.
- Correlation with tracks D/F lostCommon
- Track E worn at common anglePossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Accelerator Pedal Sensor
P2131 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.