Question about 1988 Ford Bronco II

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My bronco cranks up and runs great, but when u shut it off it takes 20-30 mins to crank back up. ive changed the ignitiom module and that didnt fix it.

It acts like there is something getting hot and keeping it from starting until it cools off.

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  • Ford Master
  • 22,156 Answers

I suspect a temperature sensor thats controlling the autochoke but have no product knowledge so i suggest that ask a direct question to emissionwiz as hes a ford dealer mechanic who will know for sure as to where the sensors are located

Posted on Feb 14, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

stormbrewin
  • 426 Answers

SOURCE: Truck will crank and then shut off

You will need to do your testing while the vehicle is in failure to start mode.Check wether the coil is recieving 12v and pour a little fuel down carb to see if it wants to run.If pouring a little fuel down carb makes the car try to fire up you probably have a fuel pump issue.If it doesnt try to fire you have an ignition problem.Hope you get it sorted and good luck.

Posted on Dec 20, 2008

csmock132
  • 4669 Answers

SOURCE: Engine wont start!

Have you checked for spark?

Posted on Mar 19, 2009

  • 9 Answers

SOURCE: CAR CUT OFF AND ACTS UP WHEN DRIVING 20 MIN..

Check the ignition coil or coil packs. It sounds like overheating coil(s)

Posted on Jun 14, 2009

Rickygittins
  • 715 Answers

SOURCE: 1986 FORD BRONCO II - CRANKS BUT NO START - NO

I just had the same problem, today, check the tan- lt green wire on the fuel relay that is located on the right fender, mine wasn't pushed in all the way, this wire shut down spark and fuel

Posted on Apr 07, 2010

gh20s
  • 343 Answers

SOURCE: bronco that will not stay running

Replace the EGR valve.

Posted on Jun 02, 2010

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Can the black box under dash thats the alarm system be removed permently


Not that simple to just disconnect it. Otherwise thieves would have no problem stealing vehicles with security systems. The black box communicates with the engine computer, and then the computer enables the vehicle to start and stay running.
That isn't a bypass technique, it is a reset procedure. Apparently it has got to the point that the reset doesn't fix the problem. Now you may need a new black box-the theft deterrent module-or it may be a problem with the ignition switch. Sounds like the box, but not sure. Ask a pro near you.
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Truck cranks but won't start


If your fuel is running all the time the PCM is bad if you take your relay out and the fuel pump stays running its a short

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