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Compressor Air Intake Turbocharger Hissing Noise

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Condition Action
Air inlet leaks or obstructions Inspect for leaks or obstructions in the turbocharger inlet.
Leaking or restricted exhaust system
  1. Inspect for a leak in the exhaust system.
  2. Inspect for a restricted exhaust system.
Leaking or restricted intake system
  1. Using less than 34 kPa (5 PSI) to pressurize the intake system, inspect for leaks in the following components:
    • Charge Air Cooler
    • Charge Air Cooler Outlet and Inlet Ducts
    • Intake Manifold
    • Purge Lines
  2. Inspect for obstructions in the intake system.
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