Problems starting after filling up with gas
You sure you put gas in it, and not diesel?
Define “problems starting”
Crank no start?
cranks, but takes forever to start?
give us some more info to help you out.
Cranks but takes forever to start
Check engine light on? For how long? What codes is it showing? Engine type? Blowing blue smoke? White smoke? Black smoke? Miles on the truck? Recent service?
We can’t get this info from telepathy and we can’t help you if you don’t answer some questions!