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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 P0443, P0458, or P0459 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, command the EVAP purge solenoid to 50 percent with a scan tool. You should hear an audible click.
  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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