Hissing sound in MPV

matt03es

Member
My wife's 02 Mazda MPV has a hissing soung cominf from the front end. Similar to the sound of a tire leaking air. The check engine light also came on.
It only has 20,000 miles on it.
Any ideas?
Thanks.
 
Vacuum leak? Any coolant left in the radiator? Any oil in the coolant?

Loose spark plug/wire?

Too many possibilities.
 
that would be the pcv hose loacted close to the fire wall. known prob from the mpvs!!!! part number aj51-13-89ya if u arent under warrenty thanks jonathan. it was a poor design it cracks in the bend, molded rubber hose.
 
ok i just seen where u are under warr so the dealer should have that hose in stk. like i said known prob here in the dealerships!!!
 
yeah i see alot of them doing that at mazda when i stop by there, theyhave that in stock and ull get ur mpv back usually the same day..
 
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