Thank you for asking your question on JustAnswer.
The other Experts and I are working on your answer. By the way, it would help us to know:-What year is your Ford?
-What model is your Ford?
-What have you already tried?
Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.
Thanks for using Just Answer, here is a diagram of the the firing order for your truck, hope this helps you out.