K so its spring here weather is slightly getting warmer.... still kinda chilly at night. So anyways i went to go turn my ls up and it would crank but not turnover... then i just gave it some gas. It seem to hesitate until i gave it some gas then it turned over. You think its a spark plug or something....? Like it was cranking..just couldn't turn over...it needed some gas...Then it turned over and ran just fine. Now i left the car for a couple hours and it turns on just fine...now......Never had this problem before. It happened over night... I was guessing because of the changing weather on how its warm during the day and cold during night..... I dunno what you guys think?