The engine air filter element in a second generation (2013, 2014, 2015, 2016 & maybe also the 2017) Ford Fusion sedan with the EcoBoost 2.0 liter inline four cylinder motor should be cleaned at every oil change and replaced when it is overly soiled. Check out my DIY instructions for the procedure (including the replacement part numbers) by clicking on the text link or thumbnail image below.
2013-2016 Ford Fusion Engine Air Filter Replacement Guide
