Hiccup at 3k

sur_real1

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When I am on the freeway doing 80MPH, I am rolling around 3k. I have noticed that when I maintain this particular speed for about 3-4 minutes, I get a hiccup in the car. It is small, but you can definitely feel it. What could be causing this?

Thanks.
 

50TRIMSRT4

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hahahah I get the same thing dont know what it is sounds like a fart or a burp. We prob need a tune or something who knows anyone?
 

sur_real1

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That is interesting. I do have a canned tune from SCT. I don't know that it has done it before the tune because I usually didn't run around at 3k with the stock gears before. I did the tune and gears at the same time.
 

cobrakiss

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Yeah my 99 does the same thing........I changed the plugs and the fuel filter and it still does it?.........I took it to the Ford dealer and they couldn't duplicate it on a road test so still haven't figured it out
 

SVT1012

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My 99 does the same thing...never really thought much of it. I have experienced this in other vehicles too. (03 Dodge Cummins, 97 Trans Am, 02 Mustang GT) which were all MT's by the way. And no, those are not all my vehicles, but I have friends that own them...
 

D's01Snake

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mine does it too, i replaced the plugs cleaned the maf and i have a tune. I figured id put a blower on the car and see what happens..hopefully it blows it away
 

V6&V8SHO

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Are you running A/C, Defrost, or floor and defrost at the time this happens? Could be the compressor cycle which is normal.
 

cobrakiss

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I've never used the a/c or the defrost.....it does feel almost exactly like that though when it happens?
 

sur_real1

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Well, it only happens when I am maintaining 3k for a while. I will try the plugs soon.
 

D's01Snake

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yea thats ****ed mine does too...i changed the plug and it continues..I personally blame the bush administration
 

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