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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

running horrible

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Old May 11, 2008 | 08:30 AM
  #1  
nintey4f150's Avatar
nintey4f150
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From: south jersey
Exclamation running horrible

ok i have a 94 f150 302 .and when i start it up it will suddenly idle up high and then when i put it into drive it will idle downand almost stall but never does and then its fine...but now sometimes when im driving or mostly pulling out it seems like it bogs and has a hesitation.... any and all help would be great
 
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Old May 11, 2008 | 09:51 AM
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Always start by pulling the codes, see here.. Ford Fuel Injection
 
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Old May 11, 2008 | 09:56 AM
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codes first.

when was last tuneup?

more details on condition of truck would help.
 
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Old May 11, 2008 | 11:04 AM
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nintey4f150
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well i tried the self test but had no luck..pretty sure i did it right....last tune-up was before winter... the truck has 227000 miles on it... i put fuel injector cleaner in it and so far it has seemed to help but ill drive around some more and see.
 
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Old May 11, 2008 | 04:31 PM
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What happened when you tied the self test?
 
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Old May 11, 2008 | 11:50 PM
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it didnt do anything i grounded the sti and turned the key to run and nothing happened the check engine light stayed on just like it always does before u start it
 
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Old May 12, 2008 | 09:48 AM
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it has to at least flash the all ok numbers.

try again after making sure you are doing it the correct way.

or buy a code reader which is way easier.
 
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