* 4.6L V8 (including Triton): 1-5-4-2-6-3-7-8
* 4.2L V6: 1-3-5-2-4-6
To be sure, check your engine's VIN (Vehicle Identification Number) plate. It will list the specific engine size and configuration. You can also find this information on the engine block itself or in your owner's manual.
Once you know the engine size, you can easily look up the firing order in a reliable repair manual or online resources dedicated to Ford F-150s.
