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shifting issue?

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Old Jul 24, 2015 | 10:45 AM
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shifting issue?

Hey guys,


Used to own a F250 so I am new to the F150. I am currently in a 2014 F150 fx4 with about 10k miles on it. I noticed when the truck is shifting into 3rd (normal acceleration)the rpms once in third remain around 1800 then drop to 1400ish after about 2 seconds or so while still in third (almost like its shifting again). Does anyone else have this experience or know what it is?
 
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Old Jul 24, 2015 | 11:01 AM
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Torque converter lockup
 
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Old Jul 24, 2015 | 11:02 AM
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Mine does the same thing. It's the converter locking up.

Edit: Mike got me by a minute
 
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Old Jul 24, 2015 | 11:18 AM
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thanks gentlemen for the responses, was my guess but was not very familiar with these trucks yet.
 
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Old Jul 24, 2015 | 03:20 PM
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A tune will stop that, at least it did for me.
 
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Old Jul 27, 2015 | 07:24 PM
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Yea, the posts above are right; its the torque converter. The only gears i don't notice it lock up is 1 or 2. 1 and 2 may be too low, or I just can't tell. With the 5.0 I can tell when it locks up by the exhaust note and the slight rpm shift.
 
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Old Jul 27, 2015 | 10:38 PM
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tow/haul will also keep it from locking in 3rd.

in all honesty, it is something you can get used to. much like the other "oddness" that the extra 2 gears brings.
 
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