P0092 Fuel Pressure Regulator 1 Control Circuit High


P0092 Fuel Pressure Regulator 1 Control Circuit High

Symptoms of a P0091 code may include:

  • Delayed startup when the engine is cool 
  • Black smoke from the exhaust system 
  • Diminished fuel efficiency 
  • Engine misfire codes and idle control codes may also accompany a P0091


Potential causes for this code to set are:

  • Shorted or open wiring and/or connectors in the fuel pressure regulator control circuit
  • Defective fuel pressure regulator
  • Faulty fuel rail pressure sensor
  • Bad PCM or a PCM programming error 







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