6.0 accelerates itself...????
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New User
Joined: Dec 2007
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From: Kansas
6.0 accelerates itself...????
So yesterday I started my 04 F350 6.0 let it run for a minute, after a few seconds it revved and stopped. Was like huhh?? o well....went on about leaving and driving. It drive fine..
Then today i was sitting at a stop light and the truck accelerated for a sec or two and tried to power itself over my brakes and into the intersection...it was kinda scary..and it got me concerned!!
Anyone have any ideas what that may be? Or what the problem is???????????????
Then today i was sitting at a stop light and the truck accelerated for a sec or two and tried to power itself over my brakes and into the intersection...it was kinda scary..and it got me concerned!!
Anyone have any ideas what that may be? Or what the problem is???????????????
Lead Driver
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Senior User
Joined: Oct 2006
Posts: 352
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From: FL
I had that happen on my 04 DW, it started doing that after a trip to the dealer (one I refuse to ever deal with again). Truck was taken in for trans service and the service manager told me they flashed my truck with a new update. I really didn't want that update and hoped they would do it without asking first. Took the truck back and the ICP had gone bad, it was warrantied. I was sitting at a light and the truck decided to try and take off into traffic, made me pukker a little.
Postmaster
Joined: Oct 2007
Posts: 4,202
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From: Illinois
Had that happen to me once, floored it on the highway accelerator got stuck under floor mat and it stayed that way till I was able to remove it by hand. Talk about a wake up...
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New User
Joined: Dec 2007
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From: Kansas
...yeah it must have been my carpet...or maybe the extra weight of my flip flop on my foot...Ha ha..
Thanks for the replies I'll check it out soon before I run to many more red lights...
Thanks for the replies I'll check it out soon before I run to many more red lights...
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Post Fiend
Joined: Jul 2005
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Here is how it happened. Explanations welcome.
It was around -10F out, fairly cold, engine warmed up.
I was pulling into a parking spot, and the idle went up (surged) maybe about 500 rpm.
It is not the high idle that normally kicks in after it starts after a minute or so.
At about the same time, the CEL went on... and I got the usual EGR codes.
After weather warmed, problem never returned.
EGR was cleaned, and usual problems with carbon particles jamming things..
Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
just because you have an egr code does not mean that is the issue. you really have to have a grasp to follow this stuff sometimes. icp, ipr, vgt, ebp, fuel pressure, ficm, injectors. can all cause egr concerns. Anything that effects idle or driving effects crankcase scavaging. Any time we have a scavaging concern we can get egr malfunctions.
Logistics Pro
Joined: Sep 2006
Posts: 4,863
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From: Airdrie Alberta
first time my icp went bad it would cause my truck to surge, no other symptoms. second time it went bad it just started pissing oil like crazy, still no driving concerns. third time it went bad just had the cel on, that was the beginning of my wiring nightmare this past christmas. corroded wires, 2 ficm's and 2 pcm's later im still a little scared of it
New User
Joined: Aug 2021
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So yesterday I started my 04 F350 6.0 let it run for a minute, after a few seconds it revved and stopped. Was like huhh?? o well....went on about leaving and driving. It drive fine..
Then today i was sitting at a stop light and the truck accelerated for a sec or two and tried to power itself over my brakes and into the intersection...it was kinda scary..and it got me concerned!!
Anyone have any ideas what that may be? Or what the problem is???????????????
Then today i was sitting at a stop light and the truck accelerated for a sec or two and tried to power itself over my brakes and into the intersection...it was kinda scary..and it got me concerned!!
Anyone have any ideas what that may be? Or what the problem is???????????????