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Home >> Ford >> 2002 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 1881 (Engine Controls - Diagnostic Subroutines -- Diesel 6.0L (99P E-Series & 99P F450/550)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0460 - Fuel Level Sensor A Circuit

P0460 - Fuel Level Sensor A Circuit

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P0460 - FUEL LEVEL SENSOR A CIRCUIT

Description:  The powertrain control module (PCM) monitors the fuel level input (FLI) communications network message for a concern. The test fails when the PCM determines that the value of the FLI signal is stuck. The PCM calculates the amount of fuel used during operation. If the FLI signal does not change or does not correspond with the calculated fuel usage, the DTC is set.
Possible Causes: 
  • Empty fuel tank
  • Overfilled fuel tank
  • Fuel control module
  • Fuel control module circuitry
  • Instrument cluster
  • Powertrain control module (PCM)
Diagnostic Aids:  Monitor the FLI PIDs in key ON, engine running. A concern is present if the FLI percentage PID is at 25% fill and the FLI voltage PID is less than 0.90 volt with a non-matching fuel gauge or the FLI percentage PID is at 75% fill and the FLI voltage PID is greater than 2.45 volts with a non-matching fuel gauge.
Application    Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST QH .