Mazda MPV Air Filter

Ok, I'm Gonna Be As Detailed As Possible For Ya. Bought Our 05 Mpv Used With Approximately 72k And She Ran Just Great. We Are Sitting Just...

What Would Cause The Engine To Make Noise That Travels Back Through The Air Filter Compartment

I Have A 2000 Mazda Mpv That Will Not Idle; I Also Have Been Having Problems With A Load Humming Noise Coming From The Air Filter Box. I...