2005 Ford Econoline E150, Van Cargo, 5.4 LFACTORY OEM SERVICE PROCEDURE

DTC P0462: Fuel Level Sensor Circuit Low Input

P0462 - FUEL LEVEL SENSOR CIRCUIT LOW INPUT

Description:  The powertrain control module (PCM) monitors the fuel level input (FLI) circuit for electrical failure. The test fails when the signal moves below the minimum allowable calibrated parameter for a specified fuel fill percentage in the fuel tank.
Possible Causes: 
  • Empty fuel tank
  • Fuel pump (FP) module concern
  • Incorrectly installed fuel gauge
  • Damaged instrument cluster
  • Damaged fuel gauge
  • FLI circuit open
  • FLI circuit shorted to CASE GND or PWR GND
Diagnostic Aids:  See the diagnostic aids for DTC P0460 .
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Explorer Sport Trac, Ranger, Crown Victoria, Grand Marquis GO to HX: Evaporative Emission (EVAP) Monitor and System STEP HX37.
All others Refer to INSTRUMENT CLUSTER for fuel level indicator diagnosis.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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