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Jan 21, 2011 | 03:34 PM

2kmelat

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Is anyone having this problem

My truck is shifting weird some time you press on the gas and nothing and some time you press and the RPM go up and you dont move for a few seconds.

Jan 21, 2011 | 03:41 PM

rickatic

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What truck? When was it built? Does it have the 400/800 flash? Too many questions to help...

Jan 21, 2011 | 04:38 PM

2kmelat

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It was Built 11/10 and its an f350 crew.

Jan 21, 2011 | 06:21 PM

rickatic

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does it do it only when it is cold?

Jan 21, 2011 | 08:24 PM

2kmelat

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It was doing it when it was in the 30s

Jan 21, 2011 | 09:09 PM

rickatic

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Sorry, my question was not specific enough. Ford refers to this issue as rough shifting after an extended cold soak. The new 6 speed transmission likes to warm up a little before it behaves perfectly. Some are more finicky than others. There have been a couple of reprogramming TSB's released for rough or erratic shifting. Your truck might need the latest one. I would recommend returning to your dealer and letting them know what is happening. They can run the diagnostics to see what is going on.

Hope this was more help

Jan 22, 2011 | 07:05 AM

2kmelat

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Thanks for the input. It gose in on tuseday.

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Jan 22, 2011 | 08:51 AM

rickatic

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It appears to me that the problem shows up more often in trucks driven by guys who start and drive the trucks. I rarely get in my truck after an extended cold soak and do a start and drive. I have the factory remote start and I use it almost every time I start the truck. This means my truck always has a five minute or so warm up before the first drive. This may be why I never see the shift issue. Ford is ok with cold drive a way's. Ford has programmed the truck to tell you to wait 30 seconds before you drive if it is too cold. Good plan to take the truck in for diagnostics.

Regards