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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gauges >> Diagnostic Information and Procedures >> DTC P0463 (3.8L, 5.3L, 6.0L, 6.2L, 7.0L Engines) >> Component Testing (3.8L, 5.3L, 6.0L, 6.2L, 7.0L Engines)

Component Testing (3.8L, 5.3L, 6.0L, 6.2L, 7.0L Engines)

  1. Ignition OFF, remove the fuel level sender.
  2. While sweeping the fuel level sensor through its full range of motion, test for a minimum resistance value of less than 41 ohms and a maximum value greater than 119 ohms between the signal terminal B and the low reference terminal C.
    • If not within the specified range, replace the fuel level sensor.
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