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Old Dec 1, 2003 | 09:23 PM
  #1  
melandanne's Avatar
melandanne
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Unhappy 1993 Bronco

I really need help. Heres the problem.

I drive about an hour the the store on my way home about 45 minutes my truck starts to choke. looses power and I slowly come to a stop it still idles but its choking. It acts like it needs fuel. we have done a tune up , we changed the ignition coil, map sensor, o2 senser, ignition module
We get towed and a few hours latter it starts and runs great gives no codes.
Today it did it again and we came up with two codes. 412 &172
Idle speed and o2 sensor.

any help would be so great
 
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Old Dec 1, 2003 | 10:05 PM
  #2  
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AYoungblood
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From: Warren, MI
Maybe fuel pump is over heating?

Not sure on other codes, dont see why they would cause that.
 
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Old Dec 1, 2003 | 10:31 PM
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bronco351
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Did you change your fuel filter? If not you should!!
 
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Old Dec 1, 2003 | 11:10 PM
  #4  
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melandanne
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Originally posted by AYoungblood
Maybe fuel pump is over heating?

Not sure on other codes, dont see why they would cause that.

The fuel pump seems to be making more noise latey.
Its never been that loud. Is it a sign that the fuel pump
is going to go. Both the noise and over heating?

Thank You So Much
 
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Old Dec 1, 2003 | 11:12 PM
  #5  
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melandanne
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Originally posted by bronco351
Did you change your fuel filter? If not you should!!
Yes. not to long ago.

Thank You so Much
 
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Old Dec 2, 2003 | 01:53 AM
  #6  
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rlh
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From: Florida Hill Country
I vaguely remeber some Broncos around that time had issues with fuel pressure regulation. As I recall though the usually just wouldn't start.
 
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