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Home >> Chevrolet >> 2018 >> Trax Premier, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls And Fuel - 1.4L (LE2) - Diagnostic Information And Procedures (P0325-P2635) And Symptoms) >> Diagnostic Information and Procedures >> DTC P0506 or P0507 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

P0506

  1. Verify the conditions listed below do not exist.
    • Restricted exhaust
    • Mechanical conditions that limits engine speed
    • Parasitic load on the engine - For example, a transmission condition, a belt driven accessory condition.
    • 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 below do not exist.
    • Vacuum leaks
    • A throttle valve that does not close correctly
    • Verify the correct operation of the crankcase ventilation system. Inspect for the conditions listed below:
    • 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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