P2279

DTC P2279: Intake Air System Leak Detected*

NOTE: Information marked with an asterisk (*) applies to '04 model.

1. Reset the ECM/PCM.
2. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on.
3. Let the engine idle for at least 40 seconds with the throttle fully closed.
4. Check for DTC with the scan tool or the HDS.

Is DTC P1505 (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.