When driving at any speed, there is suddenly no acceleration?

Tiny
TURNER106
  • MEMBER
  • 2007 LINCOLN TOWN CAR
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 187,000 MILES
After reviewing all the causes I could find, the throttle body seemed to be the culprit. Unfortunately, after replacing the throttle body and spacer with new ones, the problem was not solved.

The engine does not die, just no fuel getting to the right places. I turn the engine off for a few seconds or a few minutes, and start it up, sometimes it works as it should, other times I may shift the transmission it in drive or reverse and the same thing happens. The engines shake but it does not cut off. Just no fuel.
Sunday, April 7th, 2024 AT 11:58 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,458 POSTS
I have seen the throttle pedal sensor cause this issue, if there is a glitch the engine will go into limp mode. Let's run the codes to see if any are stored.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is how to change it out in case a code comes up for it. Check out the images (below). Please let us know what happens.
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Sunday, April 7th, 2024 AT 7:40 PM

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