Vehicle Information: 2002-2003 Mazda MPV Brand New PCV Hose Air Breather Bypass Air Intake L Elbow If your 02-03 Mazda MPV Van 3.0L has Vacuum Leaks or the Engine Runs Rough a common cause is a bad PCV hose. The hose is located in the rear of intake manifold and most times it's Elbow is BROKEN. Dealer sells complete PCV hose assembly for $84.50 or more.Now you can save over $50.00 by using this repair kit.