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1988 Ford Bronco fuel freeze

Tiny
TRENTCRO
  • MEMBER
  • 1988 FORD BRONCO
Engine Performance problem
1988 Ford Bronco V8 Four Wheel Drive Manual

my 88 bronco froze up at a gas pump in minus 14 degree wheather. It has since been towed home and warmed up and it still wouldnt start. So I replaced the spark plugs, cap, rotor, and plug wires. I have also put two bottles of heat and ten gallons of fresh high octane gas. Still it wont start. If I step on the gas while starting I can get it to chug a little but fuel runs out the exhast

is the fuel pump gone bad or something else
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Monday, December 29th, 2008 AT 1:59 PM

2 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Before replacing anything else you will have to check for spark on ALL cylinders, be sure to use a spark tester and make sure its grounded out to a good clean ground.

Observe the spark characteristics, should be bright and blue and well defined, sharp looking like lightning. Should also be rhythmatic not firing like a machine gun.

Next step would be to check the fuel pressure at the fuel rail wiht a fuel pressure check guage.

Is it a EFI model? The 88's some were carbed but most were EFI.
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Tuesday, December 30th, 2008 AT 9:26 AM
Tiny
TRENTCRO
  • MEMBER
  • 2 POSTS
Yes it is an efi model and I have got it to run but I can only get it to run with the crash fuel shut off switch disconnected. How could this be that switch should cut all power to the to both fuel pumps. I ran it this way for one hour and it still didnt stall out, like the book said it would.

And it used a hole lot of gas in that one hour
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Tuesday, December 30th, 2008 AT 7:46 PM

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