The Ford 2.3L EcoBoost 4-cylinder is a popular turbo inline-4 and it was used from 2015 to 2026.
This engine can be mounted transverse (sideways) or longitudinal (straight).
Cylinder numbering starts in a different place depending on the mount, so match the layout for your vehicle before swapping coils.
The coil and injector numbering is the same as the cylinder numbering. Coil 1 and injector 1 are both cylinder 1.
Vehicles That Have the Ford 2.3L EcoBoost Engine Option
- 2015-2026 Ford Mustang
- 2015-2019 Lincoln MKC
- 2016-2024 Ford Explorer
- 2016-2018 Ford Focus RS
- 2019-2025 Ford Ranger (North America)
- 2019-2022 Ford Focus ST (select markets)
- 2020-2026 Lincoln Corsair
- 2020-2026 Ford Everest (global markets)
- 2021-2026 Ford Bronco
Ford 2.3L EcoBoost Engine Firing Order
Firing Order: 1-3-4-2
Ford 2.3L EcoBoost Transverse (Sideways) Cylinder Numbering
Passenger Side to Driver Side
- 1
- 2
- 3
- 4
When the 2.3L EcoBoost is mounted sideways, cylinder numbering starts on the passenger side at 1, then 2, 3, and 4 toward the driver side. 2016-2019 Explorer, Lincoln MKC, Lincoln Corsair, Focus RS, and Focus ST use this sideways mount.
Ford 2.3L EcoBoost Longitudinal (Straight) Cylinder Numbering
Firewall
- 4
- 3
- 2
- 1
Front of Engine
When the 2.3L EcoBoost is mounted straight, cylinder numbering starts at the front of the engine at 1, then 2, 3, and 4 toward the firewall. 2020-2024 Explorer, Mustang, Ranger, Bronco, and Everest use this straight mount.
To find bank one on a V engine, locate cylinder number one. That side is bank one. The other side is bank two.
The 2.3L EcoBoost is an inline-4, and all four cylinders are Bank 1.
This engine has no Bank 2.


