DTC P2279: Intake Air System Leak Detected (2005-2006 models)
NOTE:
Before you troubleshoot, record all freeze data and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION
).
- Reset the ECM with the HDS (see ECM RESET ).
- Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on.
- Let the engine idle for at least 40 seconds with the throttle fully closed.
- Check for Temporary DTCs or DTCs with the HDS.
Is DTC P2279 indicated ?
- YES
-Check these parts for vacuum leaks:
- PCV valve
- PCV hose
- EVAP canister purge valve
- Throttle body
- Brake booster hose
- Intake manifold gasket
- NO -Intermittent failure, system is OK at this time.