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Accelerator pedal position sensor?

Tiny
ERBAS
  • MEMBER
  • 2005 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 87,000 MILES
My 2005 F150, 5.4L will enter a forced idle mode while I am driving. The vehicle displays three error codes, P2104 TAC - forced Idle Mode, P2111 TAC - stuck closed, P2111 TAC - stuck open. I have replaced the throttle body and Throttle Position Sensor. The Accelerator Pedal Position sensor seems to be working fine. I've also had the computer refashed after all this. Still same issues and codes. Any ideas? I'm thinking it might be in the computer.
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Monday, October 11th, 2010 AT 12:41 PM

1 Reply

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Closed Open
TP1 3.7-4.7V .3-1.9V
TP2 .7-2V 4.1-4.7V
Check V from TPS connector to ground
TP1-pin 3
TP2-pin6


https://www.2carpros.com/forum/automotive_pictures/198357_Grafic_3_157.jpg


At PCM Connector E
Tp1-pin E61
TP2-pin E60 voltage 5V reference
If voltage not right at TPS check at PCM if correct then wiring if voltages correct then suspect PCM
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Wednesday, April 21st, 2021 AT 11:33 AM

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