1993 Ford Bronco runs rough at idle after warmed up

1993 FORD BRONCO
160,000 MILES • V8 • 4WD • AUTOMATIC
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DEWEYDGLS1
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  • 1 POST
MY bronco runs perfectly fine when first started and even for the first 10 minutes of driving. after everything is warmed up i have a bad miss at idle. as soon as i put a little gas to it the miss goes away and it runs fine at speed. i have replaced the plugs, wires, cap, rotor, ignition module, and fuel pressure regulator. any ideas?
May 14, 2009 at 11:05 AM
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RACEFAN966
  • ✓ASE Certified Mechanic
  • 5,029 POSTS
  • ASE Certified Mechanic
Have you figured out which cylinder is missing? I would find this out and then that way you can check to see if the injector is maybe pluged.
May 15, 2009 at 8:42 AM
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