P0149 OBD II Trouble Code Fuel Timing Error

Symptoms of P0149 OBD II Trouble Code

  • No start condition
  • Diminished engine performance
  • Additional fuel system codes
  • Intense fuel odor
  • The vehicle may enter imp-in mode
  • Excessive smoke from exhaust

Common Causes of P0149 OBD II Trouble Code

  • Defective fuel timing solenoid
  • Misaligned timing marks on mechanical sprockets
  • Bad fuel pressure sensor
  • Malfunctioning fuel pressure control actuator
  • Fuel system leaks
  • Faulty PCM or a PCM programming error

Severity of P0149 OBD II Trouble Code

Assuming that the vehicle will start, inconsistencies in fuel pump timing can result in engine damage. A stored code P0149 should be considered severe.