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Running like #^#*

 
  #1  
Old 09-06-2013, 11:58 AM
WWsmittydo
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Running like #^#*

Ok so I have a 1991 bronco with the 5.8. It ran perfectly for ever. New fuel pump filter regulator. All of a sudden it died on me. Now when it's cold it still runs fine but when it gets warm it just quits. It get worse the more I try to start it. But if I wait till the next morning it runs fine again until it gets warm.

I ran codes and it came up with : 40 46. 21.

Heeeeeeelp
 
  #2  
Old 09-06-2013, 01:21 PM
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Encho
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Sounds like either a bad PIP sensor or coil. Let's wait to see if someone knows these codes, otherwise the parts I mentioned should be the cause (my guess).
 
  #3  
Old 09-06-2013, 01:48 PM
g_k50
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Ditto on the PIP sensor

Have the distributor rebuilt with all new parts.
 
 
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