I've changed the starter on my truck an some time it starts an sometime it won't

What is your question?

was out for a drive last week an stopped for gas wasn't in the store for 5. min an came back to the truck an now it won't start

What makes this problem better or worse?

just replaced the starter

How long has your 2016 Chevrolet Silverado 1500 had this problem?

few weeks now