Limp mode

Tiny
CBERRY
  • MEMBER
  • 2005 FORD FIVE HUNDRED
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 50,000 MILES
Driving down the road the car will lose all power. While car is still running but no gas peddle. RPMs drop and car will not move. But never dies.
Monday, April 14th, 2008 AT 10:31 AM

4 Replies

Tiny
THE FORD MAN
  • MECHANIC
  • 38 POSTS
This model has issues with the electronic throttle body. The reason that the accelerator pedal is inoperative is that the programming defaults it to a "dead pedal" whenever the system detects a fault with the throttle body. This is mainly caused by a dirty throttle body here is a guide to help you clean it which should fix it.

https://www.2carpros.com/articles/throttle-actuator-service

Disconnect the battery first.

Please let us know if you need anything else to get the problem fixed.

Cheers

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Thursday, July 21st, 2011 AT 2:29 AM
Tiny
CRUZ2020
  • MEMBER
  • 0 POST
YA! I had this problem so I followed the guide its all fixed! I Love this site.
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Thursday, August 30th, 2018 AT 12:14 PM
Tiny
NUSTYRUTS
  • MEMBER
  • 1 POST
  • 2006 FORD FIVE HUNDRED
  • 116,000 MILES
A buddy put a new battery in car, now it is hard to start. I got it started it ran kinda rough, but seem to straightened out. It idles fine now. But when I push on the gas pedel it won't rev over 3000 rpm. When the battery is replaced and no voltage is going to the computer, does the computer have to be reprogramed? If so, how do I reprogam it? Thanks
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Thursday, August 30th, 2018 AT 12:15 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
It doesn't need reprogrammed when you replace a battery. I would just drive it for a few days it should relearn itself.
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Thursday, August 30th, 2018 AT 12:15 PM (Merged)

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