1992 FORD F150 ENGINGE RUNS VERY ROUGH AND EVENTUALLY DIES.

  • Tiny
  • Kingslayer
  • 1992 Ford F-150

Engine Performance problem
1992 Ford F150 V8 Four Wheel Drive Automatic 144000 miles

New fuel filter, fuel present at rail. New Throttle position sensor. Recently new tune up which included plugs, wires, cap, rotor, oil and oil filter, air filter, new battery with clean connections.

Engines starts ok, drives great for about 2-3 miles. Then starts missing very badly will not accelerate and eventually dies. Cannont be restarted until the next day.

Need some advice as to where to begin? Any help will be greatly appreciated. Thanks very much.

Friday, September 18th, 2009 AT 2:09 PM

5 Answers

  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Most likely the TFI Module located left rear engine bay. see diagram.


http://www.2carpros.com/forum/automotive_pictures/198357_Graphic_140.jpg

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Friday, September 18th, 2009 AT 2:24 PM
  • Tiny
  • Kingslayer
  • Member

Thank you so much I will replace this today! I appreciate your help.

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Friday, September 18th, 2009 AT 2:39 PM
  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Let me know how it goes.

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Saturday, September 19th, 2009 AT 2:45 PM
  • Tiny
  • Kingslayer
  • Member

Replaced the TFI module. It has done the trick. Truck is running great now. It seems to be getting better gas mileage although not sure yet. The smell of gas is considerable less at the exhaust.

Thanks so much Doc!

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Saturday, September 19th, 2009 AT 8:40 PM
  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Your Welcome hope that does it come again when needed.

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Sunday, September 20th, 2009 AT 2:17 PM

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