• The fault code P0089 indicates that there is an issue with the performance of the fuel pressure regulator 1. This may cause a decrease in fuel efficiency, difficulty starting the engine, or poor engine performance.

Possible Symptoms:

  • Decrease in fuel efficiency

  • Difficulty starting the engine

  • Poor engine performance

  • Illuminated check engine light

Possible Causes:

  • Faulty fuel pressure regulator

  • Clogged fuel filter

  • Damaged fuel pump

  • Electrical issues with the fuel system

Related Parts:

  • Fuel Pressure Regulator: Fuel pressure regulator controls the fuel pressure and returns any excess fuel to the tank. Problems lead to engine misfire, poor fuel economy & poor acceleration

Possible Solutions:

  • Replace the fuel pressure regulator

  • Replace the fuel filter

  • Check and repair any damaged components in the fuel system

  • Check for any electrical issues with the fuel system