transmission issue??
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Freshman User
Joined: Mar 2015
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From: Denver
transmission issue??
This morning i noticed when i started the truck had a rough idle shaking truck. The truck felt weak. Boost would go up but truck felt like it was in sand. While coasting on the highway at 50-55mph the truck not only lags in power but vibrates viciously untill the overdrive kicks in that vibrations in cab and ssteering wheel go away.. any ideas on what might be going on
Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
This morning i noticed when i started the truck had a rough idle shaking truck. The truck felt weak. Boost would go up but truck felt like it was in sand. While coasting on the highway at 50-55mph the truck not only lags in power but vibrates viciously untill the overdrive kicks in that vibrations in cab and ssteering wheel go away.. any ideas on what might be going on
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,738
Likes: 2,666
From: SE Florida
This morning i noticed when i started the truck had a rough idle shaking truck. The truck felt weak. Boost would go up but truck felt like it was in sand. While coasting on the highway at 50-55mph the truck not only lags in power but vibrates viciously untill the overdrive kicks in that vibrations in cab and ssteering wheel go away.. any ideas on what might be going on
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Freshman User
Joined: Mar 2015
Posts: 27
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From: Denver
Well at the time i wrote the post i did. I went to a local O'Reilly parts shop and they could.not ise the diagnosis tool onny truck tey said because there was no check engine light. The engine shakes rough and gets worse on moderate acceleration. from a dig it doesnt even pick up the same. Ive been doing a little more research and now its leading me to think its the FICM or and injector. there has been black smoke on cold start up the last couple of months.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,738
Likes: 2,666
From: SE Florida
That's because they don't know what they are doing. If you went to a repair shop instead of a parts store they would be able to read the codes whether or not the light is on.
Hotshot
Joined: Jul 2005
Posts: 13,834
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From: Middle Tn.
Just because there's no cel doesn't mean there's no code. Most of the people at the parts stores have a limited amt. of vehicle knowledge and it's related to the parts they sell. I'm not putting them down, it's just a fact of life. They're not paying these people ASE wages.
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