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Home >> Buick >> 2008 >> Allure CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - DTC P0335 To DTC P2097 >> DTC P0452 or P0453 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, observe the scan tool FTP Sensor voltage parameter. The FTP sensor voltage parameter should be between 0.1-4 volts.
  2. Operate the vehicle within the conditions for running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.
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