What is the possible smell coming from the front of car passengers side and the...

[hardboiled]

...vents are turned on? So I have a new 2010 Mazda 3 the only problem is that sometimes there is a rancid smell I smell when I stop and park I notice lately it has been somewhat noticeable through the vents when I turn on the heat. What is the possible problems?

 

[ABEL1]

It can be the a/c (filter) check it out there is some kind of bulletin abouth it!!!

 

[BashfulBondageBunny]

Some kind of contamination or bacteria that got into the ventilation system.... I have done this on purpose with fish left to fester in the sun for a week then poured the juice down the hood vents.. Tehehe!!

 

[MseShuya]

ddddd