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Old 07-07-2010, 02:00 PM
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Engine revs

Hey guys,

I have an '08 F350 job1 with 56k miles on it. I have started to notice that it seems to rev realy high when accelerating (sometimes) from a coast. It is not like what some others have mentioned where it slams back into to gear just revs real high for a moment then smoothly goes back to normal. In fact I doubt I would have even noticed it except for the sound of the moto reving.

I actually think it has been doing it for a few weeks now (again might not even notice it if the radio were up loud) but I believe it is getting worse.

Anybody got any ideas what this might be.

Thanks,
Steve
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Old 07-19-2010, 02:30 PM
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I think spartan not commanding lock up. Intermittent.
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Old 11-02-2010, 11:24 PM
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My 08 truck is doing the same thing after i change the EGR valve tranny was fine then went to test drive to check for coolent leaks and I noticed when in rev. the truck will shutter and then when in Drive it shifts ok till going from 4 to 5th and 6th. I have been reading up on this could it be trash in the shifting sinoloid???? it too has 53k on it now....
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Old 11-02-2010, 11:35 PM
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Old 07-16-2011, 05:50 PM
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My truck is a 09 with 58k miles on it, and it too was doing the same thing. Today it was slipping out of gear when i came to a stop, and would NOT engage back in gear despite moving the gear selector back and forth from park to drive. I'm gonna start a new thread, it's not drivable at all in traffic!
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