My fuel filler tube is rusting right where the fuel cap screws in. I can't recall seeing this before on any other vehicle (although I am much more conscious about clean fuel now).


Has anyone else experienced this?

Yes, mine is starting to show early signs of rust. I use an additive at every fill-up to.

Yikes. For that new of a truck? Is it actually rust, or discolouration? Mine has what LOOKS like discolouration.