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HOMESERVICE MANUALSHYUNDAI2011EQUUS SIGNATUREREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (3 OF 3)DTC P0461: FUEL LEVEL SENSOR 'A' CIRCUIT RANGE/PERFORMANCEINSPECTION/REPAIRCOMPONENT INSPECTION
2011 Hyundai Equus Signature

Component Inspection

2011 Hyundai Equus SignatureSECTION Component Inspection
  • Check FLS resistance 
    1. IG "OFF" and Disconnect Fuel Sender & Fuel Pump Motor connector and Fuel Sub Sender connector.
    2. Remove these senders from fuel tank and measure the resistance of Fuel sender while lifting up and down the fuel level float.

      Specification: 

      ITEM SPECIFICATIONS CHART

      FLS Normal Parameter
      Float position 8/8 6/8 1/2 3/8 1/8 Warning Lamp ON
      Sender-Resistance(Ω) 4±1 4±1 4±1 16.6±1 58.2±1 71.6±1
      Sub Sender-Resistance(Ω) 4±1 53±1 95±1 95±1 95±1 -
      Fuel volume(l  ) 70.5 52.5 37.5 30.0 14.5 9.5
      Fig 1: Measuring Resistance Of Fuel Sender
      G07306378Courtesy of HYUNDAI MOTOR CO.
    3. Does the resistance of FLS change as lifting up and down the fuel level float?

      YES 

      • Fault is intermittent such as Float was stuck by something. Thoroughly check that any foreign material interrupts float moment. Erase DTC and drive the vehicle to satisfy the enable condition then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.

      NO 

      • Substitute with a known - good Fuel Sender and check for proper operation. If the problem is corrected, replace Fuel Sender and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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.