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Home >> Cadillac >> 2001 >> Eldorado V8-4.6L VIN Y >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Loop Status

Loop Status

The scan tool displays Open, or Closed. This parameter indicates the state of the fuel control system. A CLOSED display indicates that the PCM is using the signals from the heated oxygen sensors to control the fuel system.
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