P1125 – Throttle Control Motor Fault
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Symptoms
- Rough idle
- Hesitation
- Poor acceleration
- Surging
- Check engine light
Causes
- Faulty throttle motor
- Wiring issue
- Connector problem
- Throttle body issue
- ECU issue
Diagnosis
- Inspect wiring
- Test throttle motor
- Inspect connectors
- Scan live data
- Inspect throttle body
Repair
- Replace throttle motor
- Repair wiring
- Fix connectors
- Clean throttle body
- Update ECU