The engine air filter element for the EcoBoost 2.0 liter inline four cylinder turbocharged inline four cylinder engine in a second generation 2015, 2016, 2017, 2018 and the refreshed 2019, 2020, 2021 and 2022 Ford Edge should be cleaned at every oil change (7,500 miles) and replaced every 30,000 miles. Check out my DIY instructions for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2015-2019 Ford Edge Engine Air Filter Replacement Guide
The procedure and the filter part numbers are the same for the EcoBoost 2.7L turbo I4 engine and also the Duratec 35 3.5L V6 engine.