You get at it by removing the glove compartment on the passenger side. I'm about to replace mine and found a couple of web sites that describe the procedure.
http://www.mpvclub.com/diy.php?id=62
http://forum.mpvclub.com/viewtopic.php?t=1278&postdays=0&postorder=asc&start=15
Cabin air? It's behind the glovebox.
how to change oil and filter on a mpv 2000 mazda
evap pump code air filter maybe clogged
evap pump code air filter maybe clogged
Fuel filter on Mazd MPV is located in the fuel tank.
Not true, it has a filter.
How do you charge the air conditioner on a 1992mazda mpv?
The oil filter on the 1998 MPV is on the side of the block. It screws on and is easily replaced.
Lower and remove the glove compartment by carefully bending in the sides. Once removed, you will see a flat cover with clips on both sides. Remove this cover, and you will see the cabin filters side by side.
Replace it when it's dirty.
in the pump, which is in the tank.
Inside the fuel tank