P1110 – Intake Air Temperature Control Circuit
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Symptoms
- Rough idle
- Hesitation
- Poor acceleration
- Hard starting
- Check engine light
Causes
- Faulty IAT sensor
- Wiring issue
- Connector problem
- Air intake leak
- ECU issue
Diagnosis
- Inspect wiring
- Test IAT resistance
- Check connectors
- Inspect intake system
- Scan live data
Repair
- Replace IAT sensor
- Repair wiring
- Fix connectors
- Fix intake leaks
- Update ECU