Thread: DTC alerts, trk won't run. '04 5.4l 150
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Old Thu, May 27th, 2010, 11:00 PM
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Jackpine Jackpine is offline
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Originally Posted by gregk63 View Post
replaced throttle body today. Truck runs now but still has some serious hesitation. taking it to the dealer tommorrow; its above my head
That COULD be damage in the COP/plug areas. It really bugs me, because I like to wash my engine too. I'm really afraid to do much to the engine bay in my truck, due to all the horror stories I read shortly after I got it.

As I posted on f150online when you brought it up over there, I discovered you cannot simply replace the TPS (which was probably toast) on 2004 engines. You have to replace the entire Throttle Body.

- Jack