Hello, I drive a 2013 Chevy Tahoe and I’ve been having problems fueling up. Everytime I try to pump gas the gas pump handle keeps shutting/clicking off! I can’t even get a a gallon out without having to hold the handle slowly and that still makes it shut off. It didn’t do this before! Any tips? Should I take it to a mechanic or is it easy DIY? Also there is no CEL! The truck has a bout 190k miles.