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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P2066 (3.6L (Ly7)) >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, remove the secondary fuel level sender and verify that there are no obstructions interfering with the fuel level sender.
    • If any interference is present, remove the obstruction.
  2. If no interference is present, replace the secondary fuel level sender.
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