1. Identify your engine:
* 4.0L Cologne V6: This engine has a firing order of 1-5-3-6-2-4.
* 5.0L Windsor V8: This engine has a firing order of 1-3-7-2-6-5-4-8.
2. Check your engine:
* Look at your engine: There are usually markings on the valve covers or the intake manifold indicating the firing order.
* Check your owner's manual: It should list the engine and firing order.
* Use an online resource: Websites like AllData.com or AutoZone.com offer free repair information for your specific year and model.
Important Note: While the firing order listed above is for the most common 1993 Mustang models, there might be variations. Always double-check the firing order for your specific engine to ensure accuracy.