p2279
Easy Fix
SEAT · SUVs & Crossovers
Intake Air System Leak (Post Mass Airflow Sensor)
Quick Answer
Error code P2279 on your SEAT SUVs & Crossovers means: Intake Air System Leak (Post Mass Airflow Sensor). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
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Likely Causes
  1. Cracked or disconnected intake hose after the MAF sensor
  2. Faulty or loose intake boot between MAF sensor and throttle body
  3. Leaking idle air control valve
  4. Intake manifold gasket leak
  5. Torn or cracked PCV hose
How to Fix It
1
Perform a smoke test to pinpoint the location of the intake leak
2
Inspect the intake hose and boot from the MAF sensor to the throttle for cracks
3
Check all intake manifold bolts for proper torque and gasket integrity
4
Examine the PCV hoses for damage and proper connections
5
Tighten or replace components as necessary to seal the leak
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 hoses
Intake boot
Intake manifold gasket
PCV hoses
Hose clamps
Related Error Codes
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