P2279
Intake Air System Leak
System: Air/Fuel
Severity: medium
What does P2279 mean?
The DTC P2279 (Intake Air System Leak) is a fault code stored by the ECU when it detects a intake leak condition in the air/fuel subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P2279
- Cracked intake hose
- Failed gasket
- Loose throttle body
How to fix P2279
Smoke test the intake system.
Tuning approach with DaVinci Deluxe
For P2279, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- (repair, then verify lambda)
Need to fix P2279 on your ECU?
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