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Home >> Chevrolet >> 2017 >> City Express LT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L >> Diagnostic Information And Procedures >> DTC P1148 >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

  1. Verify no HO2S 1 DTCs are set.
    • Go to next step: If a DTC is not set 
  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  3. Verify a DTC does not set.
    • Go to next step: If a DTC does not set 
  4. All OK.
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