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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2066: Fuel Level Sensor 'B' Performance >> Inspection/Repair >> Component Inspection

Component Inspection

  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.
    Fig 1: Measuring Reistance Of Fuel Sender While Lifting Up And Down Fuel Level Float
    G07252293Courtesy of HYUNDAI MOTOR CO.
    Fig 2: Identifying ECM, Instrument Cluster And Fuel Sender & Fuel Pump Motor Connector Terminals
    G07252294Courtesy 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 Sub Sender and check for proper operation. If the problem is corrected, replace Fuel Sub Sender and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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