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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Engine Mechanical - 3.6L (LF4) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Compressor Air Intake Turbocharger Hissing Noise

Compressor Air Intake Turbocharger Hissing Noise

WARNING: This page is about a different car, the 2022 Cadillac CT4. 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.
Intake system leaks or obstructions
  1. Inspect for leaks.
  2. Inspect for obstructions.
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