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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Engine Controls And Fuel - 2.0L (LTG) - DTC P0340-DTC P31BF And Symptoms) >> Diagnostic Information and Procedures >> DTC P0442 or P0455 >> 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 the following conditions do not exist:
    • Damaged, defective, or loose component:
      • Fuel Tank Filler CaporCapless Type Fuel Fill
      • Evaporative Emission Canister Purge Solenoid Valve
      • Evaporative Emission Pipe - KinkedorDisconnected
      • EVAP Vent Solenoid Valve
      • Evaporative Emission Canister
      • If a condition exists - Repair or replace as necessary
      • Go to next step: If no condition exists
  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 the DTC does not set..
    • If the DTC sets 

      Refer to: Circuit/System Testing

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