The best way to keep your second generation (2013, 2014, 2015, 2016 and maybe also the 2017) Ford Fusion sedan running reliably is to regularly change the motor oil and replace the oil filter on the EcoBoost 2.0 liter inline four cylinder turbo engine. Check out my DIY instructions for the procedure (including the oil filter part numbers) by clicking on the text link or thumbnail image below.