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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Ran rough last night initially.

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Old May 9, 2009 | 09:53 AM
  #1  
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Ran rough last night initially.

Well my truck sat for 2 days then i tried fireing it up. Usually i have been having a problem when i first crank up where the idle falls hard sometime i have to give her gas to level it out then its fine. Well last night i crunk her up and the usual gave it gas got it leveled out, and it was fine without load just revin it. But as soon as i was in gear under any sort of load it was falling al lover itself, and it took about 5 minutes to act right. Is this my other Fuel pump kicking over? It was fine after it was warmed up a little and thats the first time it acted that bad.
 
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Old May 9, 2009 | 09:58 AM
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From: La Vergne, TN
try the fuel filter and fresh spark plugs. those are magic fixes to this problem. i used to have it with my 82 F100 and this flareside i have now. those 2 fixes solved the problem easy as pie.
 
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Old May 9, 2009 | 03:09 PM
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Well the plugs are pretty new I regapped them the othheer day to .046 and I put a new fuel filter on and plug wires at the same time. makes me think the fuel pump may kick the bucket in the near future.
 
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Old May 9, 2009 | 03:26 PM
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yeah. that would quiet possibly be the issue if you've replaced the other things.
 
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Old May 9, 2009 | 05:31 PM
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I just got in it and it lost its power throughout the whole range now. I looked at the fuel guage and the pressure seems to be slightly dropping off when giving it gas. Rather than going up.
 
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Old May 9, 2009 | 05:33 PM
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Will a code trip if the fuel pressure isnt right?
 
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