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1978 - 1996 Big Bronco  
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Old Feb 27, 2012 | 03:48 PM
  #16  
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93broncoboy
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Would u think it could be an o2 sensor or the map sensor?
 
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Old Feb 27, 2012 | 04:12 PM
  #17  
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93broncoboy
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Well i wouldnt be pulling codes like that if it was one of them. So how hard is it to change a wire harness?
And the numbers were different but its the same problems as before and same year everything bronco could it just happen that i got the wrong one and its just causing the same problems?
It seems like everytime i change a part on it; it runs fine and then comes back to these same problems.
Fuel pump: ran fine for about 2 weeks
2nd fuel pump: 1 month
Different pcm: 1week
 
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Old May 11, 2012 | 03:27 PM
  #18  
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I know its a bit late for this conversation, but I had a 94 F150 that had the same kind of problems; throwing several codes, etc. It turned out to be bad grounds. The engine was not properly grounded to the rest of the chassis. The larges circuit on the truck is the ground, so if it is bad, many problems.
 
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