Q&A

I notice yesterday my rpms going up while accelerating and my truck was moving very slow with high rpms and today it was working normal stopped by to pump gas took off little later starting to have problems my truck didn't want to move so I stopped tought it was the tranny turned it off for a while so I when I was going to restart it it would crank but not turned on need a little advice anybody know what it could be 2004 Nissan Titan just bought and going through these troubles already