Re: Rough Start
Mine does the same thing. As someone already mentioned, it is most likely the fuel system leaking down.
Instead of turning key on for 5 seconds, turn it on and off twice or three times and then start the truck. If it starts right up, you have confirmed the problem. I dont know where the check valve is in these fuel systems, but most vehicles have a check valve of some sort to keep the lines primed with fuel.
Mine is 2005. I am surprised a 2007 is doing this.
Post back if you get it fixed and what they specifically replace.
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