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skipping/ misfiring

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Old Apr 16, 2011 | 10:11 AM
  #1  
kxstaffo's Avatar
kxstaffo
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skipping/ misfiring

85 full size bronco 351w.
Here is my issue. After driving 30 mins to and hour the bronco starts skipping/ misfiring and continues to get worst until it cuts off. If you wait and hour or 2 it starts back up and runs fine for 30mins to an hour and the skipping/ misfiring process starts again
 
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Old Apr 16, 2011 | 11:58 AM
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Anafiel
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From: Wagener, SC
Sounds like the ignition module is failing when it get's hot under the hood.
 
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Old Apr 16, 2011 | 12:08 PM
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Welcome to FTE and the Big Bronco Forum. We'll do our best to get you the most accurate info we can.

Is your 85 fuel injected or carburated? With EFI, I'd suggest pulling codes and let the truck tell you whats ailing it rather than chasing things that MIGHT be the problem.

If its carburated, check carb settings particularly choke if you are dealing with a thermally activated version.
 
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