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Truck looses power while driving

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Old Mar 30, 2005 | 10:31 AM
  #1  
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51dueller
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Truck looses power while driving

Our '78 F-250 supercab, 400 cid, motorcraft 2 barrel will loose power when driving. You'll be going along and the truck will not respond to the accelerator pedal. If you shift to neutral the truck is barely running (idle) and when you try to give it gas it dies. We've replaced the fuel filters and fuel pump. The fuel pump cured it for a while but it's now doing it again. Any help is appreciated.
 
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Old Mar 30, 2005 | 01:01 PM
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smoke n tires
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i would get some info on checking the float levels on you model carb. you maybe better off rebuilding it and adjusting it from scratch. also check the choke operation.
 
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Old Mar 30, 2005 | 01:10 PM
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yeha4x4
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I'd go with smoke n tires on that. Choke may be closing.
 
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Old Mar 30, 2005 | 08:12 PM
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It's not the choke. Once it dies, it will fire on a turn of the key and drives normally again.
 
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Old Mar 30, 2005 | 10:44 PM
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From: Louisville,Ky.
Sounds like a failing pick-up coil in the distributor. They will make it act like it's out of fuel, then restart and run ok.
 
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