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


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