04 Excursion 6.0 shudders when accelerating
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New User
Joined: Apr 2018
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From: Christmas, FL
04 Excursion 6.0 shudders when accelerating
Truck runs great but it kind of bucks or shudders when you accelerate. If you back of of it or accelerate it goes away. So when it starts to shudder if you jump on it it will stop or I can just take my foot off the accelerator and it stops. It driving me crazy.
Does anybody have any idea what could me causing this?
Does anybody have any idea what could me causing this?
FTE Legend
Joined: Jan 2009
Posts: 80,535
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From: Norlina NC
just curious but does it only do it like at specific times in the trucks heat cycle?? for example when you first jump in the truck after its sat awhile and everythings still cold, will it do it then but not later when everythings warmed up? or only after its warmed up does it start? or does it not matter at all on that?
sometimes that can make a difference in figuring out where a problem might be.
sometimes that can make a difference in figuring out where a problem might be.
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Joined: Apr 2018
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From: Christmas, FL
It does when its cold less once it warms up. I replaced every component of the front end to include rotors , calipers, hubs, hub bearing, seals and all steering components. Its not a suspension thing I know for sure. When I drive it it will start bucking between 45 and 60 . Back of the fuel it stops jump on it it stops. But it feels really jumpy in that range.
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Senior User
Joined: Sep 2014
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From: Jasper, Texas
I'm experiancing the same or simular problem. Had my mech diagnose it yesterday, with scan tool. the problem was replicated but no codes found. Will probably drop the fuel tank friday.
The truck in the video is a 7.3 but the concept may apply. The symptoms are like mine and maybe yours too. Mine shudders then looses power when at highway speed especially if I accelerate in high gear. Around town it runs fine.
Fleet Owner
Joined: Nov 2003
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It does when its cold less once it warms up. I replaced every component of the front end to include rotors , calipers, hubs, hub bearing, seals and all steering components. Its not a suspension thing I know for sure. When I drive it it will start bucking between 45 and 60 . Back of the fuel it stops jump on it it stops. But it feels really jumpy in that range.
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