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Home >> Chevrolet >> 2019 >> Cruze Premier, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P057B-P208D)) >> Diagnostic Information and Procedures >> DTC P02E8, P02E9, or P16A0-P16A2 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On.
  2. Verify DTC P02E0, P02E2, P02E3, P02EB, P0651, P122B, or P122C is not set.
    • Go to next step: If none of the DTCs are set 
  3. Verify DTC P02E8, P02E9, P16A0, P16A1 or P16A2 is not set.
    • If P02E8, or P02E9 are the only DTCs set 

      Test or replace the Q20 Intake Air Flow Valve.

    • If DTC P16A0, P16A1, or P16A2 is set with any of the DTCs 

      Refer to Circuit/System Testing.

    • Go to next step: If none of the DTCs are set 
  4. Ignition On, verify the scan tool Intake Air Flow Valve Position parameter is between 0 - 100% and changes when commanding the Intake Air Flow Valve Position between 0 - 100%.
    • If not within the specified range or does not change 

      Refer to Circuit/System Testing

    • Go to next step: If within the specified range and changes 
  5. 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.
    • If a DTC sets 

      Refer to Circuit/System Testing

    • Go to next step: If DTC does not set 
  6. All OK.
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