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Home >> Chevrolet >> 2007 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.6L (L91) >> Diagnostic Information and Procedures >> DTC P0133 >> Circuit/System Verification

Circuit/System Verification

  1. If any other HO2S DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle to diagnose the applicable DTC.
  2. Operate the vehicle within the parameters specified in Conditions for Running the DTC. DTC P0133 should not set.
  3. If the vehicle passes the Circuit/System Verification Test, then operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.
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