P1111 OBD Code Definition:
P1111 Intake Valve Timing Control Solenoid Valve Circuit Bank 1
P1111 OBD Code Description:
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- Mass Air Flow Sensors faulty
- Intake Air System faulty/leaking (false Air)
- Fuel Injector(s) faulty
- Insufficient Fuel Delivery
- Exhaust System leaking
- Faulty O2 Sensor(s)
Possible Solutions
- Check Mass Air Flow Sensors
- Check Intake Air System for Leaks
- Check Fuel Injector(s)
- Check Fuel Delivery Including Pump and Filter
- Check Exhaust System for Leaks
- Check O2 Sensor(s) Adaptation Values