The firing order for a 1981 Mazda B2200 with a 2.2-liter engine is 1-3-4-2. This means that the spark plugs fire in the following order:
1. Cylinder 1
2. Cylinder 3
3. Cylinder 4
4. Cylinder 2
The firing order is important because it ensures that the engine runs smoothly and efficiently. If the firing order is incorrect, the engine will not run properly and may even damage itself.
