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

hardboiled

New member
...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?
 
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!!
 
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