LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2020 >> Camaro SS, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Controls And Fuel - 2.0L (LTG) - Diagnostic Information And Procedures (2 Of 2) And Symptoms) >> Diagnostic Information and Procedures >> DTC P0496 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Verify the following conditions do not exist:
    • Q12 Evaporative Emission Purge Solenoid Valve - Incorrect connection/Incorrect installation/Leaking/Visible Damage
    • Vacuum Hoses@Q12 Evaporative Emission Purge Solenoid Valve - Incorrect connection / Incorrect installation/Incorrect routing
    • If a condition exists 

      Repair or replace as necessary.

    • Go to next step: If no condition exists 
  3. Ignition - On / Vehicle - In Service Mode
  4. Verify DTC P0451 - P0454 is not set.
    • Go to next step: If none of the DTCs are set 
  5. Engine - Idling
  6. Perform the scan tool control function: - EVAP Purge/SealNot Venting
  7. Verify the scan tool parameter: Fuel Tank Pressure Sensor = Less than 9. 3 mmHg (5. 0 in. H2O) - After 60 s
    • If 9. 3 mmHg (5. 0 in. H2O) or greater 

      Test or replace the component: Q12 Evaporative Emission Purge Solenoid Valve

    • Go to next step: If less than 9. 3 mmHg (5. 0 in. H2O) 
  8. 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.

    Verify the DTC does not set.

    • If the DTC sets 

      Repeat the procedure starting at step 2

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