Code No. P0003: Fuel Flow Regulator Low




TROUBLE JUDGMENT



  • Regulation solenoid valve short-circuited to earth or value too low

FAIL SAFE FUNCTION



  • Injection shut-off, as if the driver was in overrun.

PROBABLE CAUSE



  • Failed fuel flow regulator
  • Failed electrical harness in fuel flow regulator circuit (Refer to Symptom Procedure - Fuel Flow Regulator System )