P0191 OBD II Trouble Code Fuel Rail Pressure Sensor A Circuit Range/Performance

Symptoms of P0191 OBD II Trouble Code

  • Malfunction Indicator Lamp (MIL) illuminated
  • Lack of power
  • Engine cranks but won't start

Common Causes of P0191 OBD II Trouble Code

  • High fuel pressure
  • Low fuel pressure
  • Damaged FRP sensor
  • Excessive resistance in the circuit
  • Vacuum leaks
  • Low or no fuel