P2119
Throttle Closed Position Performance
When commanded to idle, the throttle plate does not reach the calibrated closed position. Often a coked throttle bore preventing the plate from seating fully.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
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.
- Throttle bore coked at closed-position stopCommon
- Plate or stop misadjusted after servicePossible
Parts involved
- Throttle Body
- Throttle Actuator Motor
P2119 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.