The electronic throttle body is not responding within the expected range.
SYMPTOMS
- Check-engine light
- Reduced power / limp mode
- Erratic idle
LIKELY CAUSES
- Dirty or faulty throttle body
- Mechanical binding
- Wiring fault
DIAGNOSIS STEPS
- Inspect/clean the throttle body
- Check throttle adaptation
- Replace the throttle body if faulty
RELATED PARTS
- Throttle body (drive-by-wire)