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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 P0496 >> Circuit/System Testing

Circuit/System Testing

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  1. Ignition - On / Vehicle - In Service Mode
  2. Perform the scan tool control function:EVAP Purge/Seal - Not Venting
  3. Engine - Idling
  4. Verify the scan tool parameter:Fuel Tank Pressure Sensor = Less than 1.7 V - For 90 s
    • If 1.7 V or greater 

      Replace the component:Q12 Evaporative Emission Purge Solenoid Valve

    • Go to next step: If less than 1.7 V 
  5. All OK.
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