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Home >> Chevrolet >> 2023 >> Camaro ZL1, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Controls And Fuel - 3.6L - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> Cylinder Deactivation (Active Fuel Management) System Diagnosis >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    NOTE:

    The engine oil level and the oil pressure are critical to the correct operation of the system.

  1. Verify no other DTCs are set.
    • Go to next step: If no other DTCs are set 
  2. Verify the condition does not exist: Engine Oil - Fill Level = Low
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step: If no condition exists 
  3. Verify the engine oil pressure: Refer to: Oil Pressure Diagnosis and Testing
    • If not in the specified range 

      Repair or replace as necessary

    • Go to next step: If in the specified range 
  4. Engine - Idling - At normal operating temperature - Verify there is no abnormal noise from the component:
    • Go to next step: If no abnormal noise is present 
  5. Refer to: Circuit/System Testing
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