4.6L & 5.4L Modular V-8 Cylinder Map, Engine Banks

Cylinder Numbers, Bank 1 & Bank 2 Location

Diagnostic Trouble Codes (DTC) often identify which cylinder or engine "bank" is affected by a problem and it is therefore imperative to certain diagnostic functions to identify the OEM specified cylinder and bank numbering convention. The map below identifies these locations for the 4.6L and 5.4L Modular V-8.

Ford 4.6L and 5.4L cylinder map — Cylinder numbers/bank arrangement for Ford 4.6L & 5.4L V-8

Which side of the engine is bank 1?
Bank 1 is the passenger side of a 4.6L/5.4L V-8, cylinders 1 through 4.

Which side of the engine is bank 2?

Bank 2 is the driver side of a 4.6L/5.4L V-8, cylinders 5 through 8.

What the numbers (layout) of the cylinders?

Starting at the front, passenger side, the cylinder closest to the radiator is #1. The cylinder directly behind it is #2, then #3, and finally #4 is located against the passenger side firewall. From the front, driver side, the cylinder closest to the radiator is #5. The cylinder directly behind it is #6, then #7, and finally #8 is located against the driver side firewall.