If you stand in front of engine - #1 is front left - #2 front right - #3 middle left - #4 middle right - #5 back left - #6 back right .That is the order that they fire also (1-2-3-4-5-6)
While owning a car, it is important to know its firing order. The firing order for a 1991 Toyota Corolla is 1 3 4 2.
1342 ccw
1-3-4-2
1324
1342
The firing order should be 1-8-4-3-6-5-7-2.
The firing order is 1-3-4-2 with #1 cylinder being towards the front of the truck. The link below can provide additional information. Kyrasis6 Mazdatruckin.com
For MR2 2.2, production years 1991 and 1993 the firing order is (1,3,4,2).For other years I don't know.
The firing order should be stamped on the engine block right on top in front of the carborator.
1-3-4-2
changing front brake pads on 1991 Toyota truck
1-2-3-4-5-6