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Old Sep 12, 2010 | 11:58 PM
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hay

I have a 1993 ford f150 5.0 v8 and it surges after its ran a whyl any reasons why it would do thati ben trying to figure it out but cant come up with anyting so if any one can help me out
 
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Old Sep 13, 2010 | 12:25 AM
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From: Des Moines
I'm guessing that by "surging" you mean the engine is revving suddenly for a very brief time. Is it surging at idle when you start it hot? When you're slowing down or stopped? Does it make a difference if you turn the engine off then start it back up?

The more information you can give us the better we can help you. Also it would help to tell us how many miles are on the engine.
 
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Old Sep 13, 2010 | 08:47 AM
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yes and it does it after a cupl of min after i start it and it does it when im almost to a stop and after i stop but wons i push the gas it stratens out
 
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Old Sep 13, 2010 | 10:25 AM
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From: Des Moines
I would guess a bad IAC valve but I can't be certain. Here's a link to more information on it. Ford Fuel Injection Idle Air Bypass (IAB)

You should probably pull the diagnostic codes. Here is a link that shows you how. Ford Fuel Injection How To Run a Self-Test
 
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Old Sep 13, 2010 | 11:35 AM
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when i unplugged it it died do u know what that means?
 
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Old Sep 13, 2010 | 02:57 PM
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try pulling it off and cleaning it, i used mineral spirits but most commonly used is tb cleaner, good luck
 
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Old Sep 13, 2010 | 11:58 PM
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lonewolf82886

k ill try that and hopfully it will straten it out
 
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Old Sep 14, 2010 | 12:03 AM
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i have first gear and then D than double D and after i get past a serten speed it wouldnt drop in to pasing gear for some reason any solutions ?
 
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