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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P0016 - P049D)) >> Diagnostic Information And Procedures >> DTC P026A: Charge Air Cooler (CAC) Low Efficiency >> Circuit/System Testing

Circuit/System Testing

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

You must perform the Circuit/System Verification before proceeding with Circuit/System Testing.

  1. Check the engine cooling system and front of the vehicle to verify that none of the conditions listed below exist:
    • Obstruction of the grille
    • Debris in the radiator, condenser, or CAC fins

      Refer to Radiator Cleaning .

    • Bent radiator, condenser, or CAC fins
    • Engine overheating

      Refer to Engine Overheating .

    • If a condition exists 

      Repair or replace as appropriate.

    • Go to next step: If no condition exists 
  2. Replace the Charge Air Cooler.
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