Question 1

What does P2279 mean?

Accepted Answer

P2279 - Intake Air System Leak. PCM detected an air leak in the intake system.

Question 2

What are the symptoms of P2279?

Accepted Answer

Check engine light, Rough idle, Lean condition, Whistling noise from engine

Question 3

What causes P2279?

Accepted Answer

Cracked intake boot/hose, Loose intake clamp, Intake gasket leak, PCV system leak, Broken vacuum line

Question 4

How much does it cost to fix P2279?

Accepted Answer

Typical repair cost: $20-$400. Listen for a whistling or hissing noise with the engine running. That's usually the location of the leak. Check all intake boots and clamps.

P2279 — Intake Air System Leak

Don't guess — diagnose P2279 the right way

Common symptoms of P2279

Common causes of P2279

Repair cost & difficulty

Vehicles commonly affected

Related trouble codes