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Home >> Kia >> 2021 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (7 Of 7) >> DTC P2540-00: Low Pressure Fuel System Sensor Circuit Range/Performance >> System Inspection

System Inspection

Inspection Procedure 

  1. Check following item at high pressure fuel line visually.
  1. Ignition "OFF". Disconnect fuel pump fuse in Junction Box.
  2. Start the engine and wait until it stalls.
  3. Ignition "OFF". Connect fuel pump fuse.
  4. Install the fuel pressure gauge to the delivery pipe using the fuel pressure gauge adaptor.
  5. Activate the fuel pump, check for fuel leaks from the pressure gauge or fuel system.
  6. Measure the fuel pressure at idle.