Here's a breakdown:
* 1: Cylinder #1 fires first
* 5: Cylinder #5 fires second
* 3: Cylinder #3 fires third
* 6: Cylinder #6 fires fourth
* 2: Cylinder #2 fires fifth
* 4: Cylinder #4 fires last
Important Notes:
* Engine Type: This firing order applies to the 4.9L (302ci) inline-six engine commonly found in these vehicles.
* Other Models: The firing order may differ for other Ford E150 vans with different engine types.
* Verification: It's always best to consult your vehicle's service manual or a reputable online resource for the most accurate and up-to-date information.
Let me know if you have any other questions!