| Thats not limp mode then. You'll get a check engine light, and either a 2000rpm rev limit, or you'll be stuck in 3rd or 4th gear depending on what year of truck.
What year of truck do you have? Please help us out, and fill out your signature with all of the info about your truck. It's in the "user cp" at the top left of every page, and theres a button that says "edit signature"
It sounds to me like you need to change your fuel filter, or something of that nature. Fuel filter should be changed every 10k miles. The tuner shouldn't have anything to do with what you've described. |