What usually causes it
- A failed throttle position sensor
- A loose plug or an open wire
- A short in the wiring
- A fault in the throttle body
P0122Starts at: Get it checked this week
Throttle sensor signal is too low
The throttle position sensor reports how far the throttle flap is open. Its signal is lower than it should be.
What to watch for
- The car suddenly has little power and the engine will not speed up
- Stalling or a rough idle
- The gas pedal feels dead, or the car surges
Can I keep driving?
We rate P0122 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
Quick answers about P0122
What does P0122 mean?
Throttle sensor signal is too low. The throttle position sensor reports how far the throttle flap is open. Its signal is lower than it should be.
Can I keep driving with P0122?
We rate P0122 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
What usually causes P0122?
The most common causes, in order: A failed throttle position sensor; A loose plug or an open wire; A short in the wiring; A fault in the throttle body.
Estimates only. A mechanic should confirm. The same code can mean slightly different things on different cars; the app explains it for your exact year, make, model and mileage.