This started about a month ago, and has slowly gotten worse. First start of the day, and if it sits for a couple of hours it is very slow to crank and start. The only solution I found was to turn the key to the ON position (not trying to turn it over), waiting 10 or more seconds, and then it will fire as it should. If I just try to put the key in and start it acts like the battery is dying then cranks. I can start it over and over with no problems. Searching only gave me a post that all the trucks had tunes. I have no tune. Battery is brand new as a week ago and no performance mods. Anyone else have the problem, or any ideas?