what would cause studdering while idleing? i have a Mazda Mpv 2002 and i just got it and it just started tonight i also owna mazda 626 91 and it also does this.... what can i do and how serious is it, in the car its worse in the van its slight but still its doing it, and the rpm does move when it does it.
Optional Information:
2002
Mazda mpv 6 cyl i think
Already Tried:
filled it up with gas and put octane booster in it.