One problem related to engine noise has been reported for the 2015 Nissan Pathfinder. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Nissan Pathfinder based on all problems reported for the 2015 Pathfinder.
My 2015, is at 54k miles and it starting make noise and had it checked it's the cooling system. This should be a recall. My friend has a 2017 and she having the same issues. I'm very disappointed with Nissan.