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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0446-DTC P31BF And Symptoms) >> Diagnostic Information and Procedures >> DTC P1463 >> Circuit/System Verification

Circuit/System Verification

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WARNING:

Refer to Fuel and Evaporative Emission Pipe Warning .

CAUTION:

Refer to Clean, Dry, Low Pressure Gas Source Caution .

  1. Verify none of the conditions listed below exist:
    • Disconnected, incorrectly routed, kinked, or damaged EVAP pipes, O-rings and hoses.
    • A restricted or plugged EVAP canister.
      • If a condition exists 

        Repair as necessary

      • Go to next step: If no conditions exist 
  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.
    • If the DTC sets 

      Refer to Circuit System Testing.

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