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Gas pedal control sensor

Tiny
TOOLHOG
  • MEMBER
  • 2005 FORD F-150
My 5.4 liter will enter a forced idle mode while I am driving. This has happened three times in the past forty six miles (one hundred and twenty five minutes of running time). There is no common time that this happens ie: cold and wet or dry and warm. I pull over turn the truck off and then it starts rough but does start each time. The truck does run fine other than this. The vehicle displays three error codes, P2104 TAC - forced Idle Mode, P2111 TAC - stuck closed, P2111 TAC - stuck open. Ford does not recommend cleaning the throttle body. With that amount of miles on the vehicle I do not think I should have to replace the whole throttle body. I was thinking maybe the throttle body sensor? If you feel it is one of these two items how hard are they to replace?
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Thursday, January 1st, 2009 AT 3:33 PM

2 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Okay, first off ignore the P2104 as it is being set because of the P2111 code okay. We had this problem is the shop and this video will show you how to fix it. You can clean the throttle body BTW.

https://youtu.be/6fWYjfU9UV8

Please let us know what happens.
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Wednesday, April 21st, 2021 AT 11:34 AM
Tiny
WHIGHTOWER
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  • 0 POST
Thanks for this post I had this problem and fixed it by watching the video
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Wednesday, April 21st, 2021 AT 11:34 AM

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