The owner’s manual service interval specification for changing the engine air filter in a 2nd generation 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 and 2021 Ford EcoSport with the EcoBoost 1.0 liter inline three cylinder engine is every 18,500 miles (or every 30,000 km). To view the DIY tutorial for the procedure (with the compatible replacement part numbers), click on the text link or the thumbnail image below.