PCV Valve Ventilation Hose

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Check hoses and hose connections for leaks.
Disconnect all hoses and clean with compressed air. If any hose cannot be freed of obstructions, replace. Refer to "EXPLODED VIEW ".

Fig 1: Cleaning Hoses Using Compressed Air

Courtesy of NISSAN NORTH AMERICA, INC.