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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 P0506 or P0507 >> Circuit/System Testing

Circuit/System Testing

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P0506

  1. Verify the conditions listed in the table do not exist:
    • Restricted exhaust system.
    • The engine speed is limited.Mechanical Condition
    • Parasitic Load On Engine
    • If a condition is found 

      Repair as necessary.

    • Go to next step: If a condition is not found 
  2. All OK.

P0507

  1. Verify the conditions listed in the table do not exist:
    • Vacuum leak
    • Throttle Plate at Closed PositionIncorrect
    • Verify the correct operation:Positive Crankcase Ventilation System
    • If a condition is found 

      Repair as necessary.

    • Go to next step: If a condition is not found 
  2. All OK.
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