I have a 91 626 and it is located on the right side of the dash directly under the right most vent from the underside where the glove box is. You have to take the black plastic cover protecting the wiring harnesses and such from under the glovebox. It is located in the far back right had corner of what is covered (facing the front of the car. It unscrews with two Phillips screws that hold it in the air duct. It usually has three connectors, one green jumper that loops back to itself, and two groups of blue plugs. .
Inside the blower motor housing directly behind the electrical coupler.
Check in the fuse box under the hood over the left front tire. That's where it is on my 94.
There is no egr valve on a 1990 Mazda MPV 6 cylinder
in the tank
in the gas tank ?
On my 1993 MPV the relays are located passenger side behind the fuse box next to the firewall also there is a 15 amp fuse. I replaced both relays on mine fan still doesn't come on?
Underneath the car bolted to the bellhousing on the gearbox
i had a 1990 acura legend my blower motor was located under the passenger side dash board
on the top of the engine compartment firewall
The TNS relay on a 1990 Mazda Roadster is located on the drivers side of the car. It will be right beside the brake.
Follow the top radiator hose as it connects to the front of the engine. The thermostat is located in that housing.
The thermostat housing is located at the engine end of the lower radiator hose.