LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2019 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (P0351-P31BF) And Symptoms) >> Diagnostic Information and Procedures >> DTC P0496 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  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.
scientia non olet · About LEMON Manuals