OBD II Fault Code

  • OBD II P003F

OBD-II Code Decreased engine performance is defined as a "A" Camshaft Profile Control Stuck On

Newer engines have valves that are electro-hydraulically controlled instead of being driven by a timing belt or chain. This improves fuel efficiency an engine performance. When the engine control module (PCM) detects that the valves are not being operated as desired, it will set code P003F.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P003F Code

  • Camshaft variable timing solenoid failure
  • Engine oil level is too low
  • The engine oil does not meet the manufacturer's requirements
  • Variable valve timing actuator failure

Common Repairs Needed for the P003F Code

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