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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions - (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P0462: Fuel Level Sensor A Circuit Low

DTC P0462: Fuel Level Sensor A Circuit Low

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P0462 - FUEL LEVEL SENSOR A CIRCUIT LOW

Description:  The powertrain control module (PCM) monitors the fuel level input (FLI) communications network message for a concern. The test fails when the FLI signal is less than 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 (IC)
  • Damaged fuel gauge
Diagnostic Aids:  Monitor the FLI PID in key ON, engine running. A concern is present if the FLI PID is less than 25% fill with a non-matching fuel gauge or the FLI PID is greater than 75% fill with a non-matching fuel gauge.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST HX .
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