Diagram of firing order and cylinder order in 2004 mustang 3.9 v6?

The firing order for the 2004 Mustang 3.9L V6 engine is 1-4-2-5-3-6. The cylinder numbering is as follows: cylinder 1 is at the front on the driver's side, followed by cylinder 2, 3 on the passenger side, and then 4, 5, and 6 back on the driver's side. This layout ensures smooth engine operation and balanced power delivery. For a visual diagram, you would typically refer to the service manual or engine diagrams available online.