p2279
Easy Fix
Audi · SUVs
Intake Air System Leak
Quick Answer
Error code P2279 on your Audi SUVs means: Intake Air System Leak. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
F3FY4M4MNGENGE
Likely Causes
  1. Cracked or split intake air boot
  2. Loose hose clamps on the intake piping
  3. Failed intake manifold gaskets
  4. Broken vacuum line tee or fitting
  5. PCV system fault allowing unmetered air into the intake
How to Fix It
1
Visually inspect the entire intake air path from the air filter to the throttle body
2
Perform a smoke test on the intake system to identify the leak source
3
Tighten or replace all hose clamps along the intake tract
4
Check the PCV valve and all breather hoses for deterioration
5
Replace damaged intake components and clear the code
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Intake air boot
Hose clamps
Intake manifold gasket
PCV valve
Related Error Codes
Video Guides
Loading video guides…
Search more on YouTube →