• The fault code P0149 indicates that there is an error in the fuel timing in the engine. This may result in poor performance, decreased fuel efficiency, or engine damage if left unrepaired.

Possible Symptoms:

  • Poor engine performance

  • Decreased fuel efficiency

  • Engine damage if left unrepaired

  • Illuminated check engine light

Possible Causes:

  • Faulty fuel injection pump

  • Clogged fuel filter

  • Dirty or damaged fuel injectors

  • Malfunctioning fuel pressure regulator

  • Faulty fuel control actuator

Related Parts:

  • Fuel Supply Line: Fuel line delivers petrol/diesel from the fuel tank to the engine. Problems in the fuel line lead to fuel loss while driving

Possible Solutions:

  • Replace the fuel injection pump

  • Replace the fuel filter

  • Clean or replace the fuel injectors

  • Replace the fuel pressure regulator

  • Replace the fuel control actuator