P2540 OBD II Trouble Code Low Pressure Fuel System Sensor Circuit Range/Performance

Symptoms of P2540 OBD II Trouble Code

  • Malfunction Indicator Light On
  • Possible no start
  • Longer than normal crank times
  • Hesitation during acceleration
  • Decrease in fuel economy

Common Causes of P2540 OBD II Trouble Code

  • Open in the signal circuit to the FP sensor
  • Short to voltage in the signal circuit to the FP sensor
  • Short to ground in the signal circuit to the FP sensor
  • Open in power or ground at FP sensor
  • Failed FP Sensor - possible
  • Failed PCM - unlikely