Engine makes strange sound
I have a 2005 nissan titan with a 5.6 Liter V8 off road edition. Little by little my engine has made a peculiar sound. when I give it gas, it has a flutter sound. It actually sounds a lot like when we used to put baseball cards in the spokes of our bicycles. It hasn't affected the performance at all. I am just curious if anyone else has had this and if they know what it is. Is it an easy fix? Thanks.