Auto Tranny shifts weird - Ford Powerstroke Diesel Forum
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post #1 of 28 Old 05-01-2012, 09:15 PM Thread Starter
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Auto Tranny shifts weird

I have a 2000 f250 with the auto in it. It has 110k on the truck. It leaks when it get hot out of the inspection plate but I know that's probably a bad seal or from heat. I wanna get it replaced. But my question is if a accelerate nice and steady (like 1/4 throttle) it shifts good and smooth an it keeps the Rpms up ( like it should in guessing) but then I'll get on it from a stop and it seems to shift all weird. When it hits second the Rpms drop a lot. Too much I think almost line the tc is locking up but I know it doesn't do that until about 40. And then when it shifts into 3rd it shifts really roughly and really quick like it slams into gear and then it hits fourth and it seems fine.
Any suggestions on why it does this? It seems like it should shift smooth under throttle or not? It doesn't matter I'd it's hot or cold does it either way


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2000 7.3 XLT F-250 121,xxx Auto
Out of Arlington, WA
AFE Stage 2
Edge insight
Edge Evolution programmer
Wicked Wheel from RiffRaff
5" diamond eye
6" MBRP tip
35" Toyo M/T's
Tuff Country 2.5" leveling kit
Firestone airbags
Super hitch
Kenwood CD receiver
Hayden trans cooler
Bright Box from Riffraff
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post #2 of 28 Old 05-01-2012, 09:59 PM
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Mine does the same. Weird thing is after I did the 10k mod it shifts nicr
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post #3 of 28 Old 05-01-2012, 10:01 PM
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Does it shift way to early pulling a trailer
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post #4 of 28 Old 05-02-2012, 03:02 AM Thread Starter
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It shifts the same. drop way to much in second and quick and hard on third yeah. I hears you guys talkin about valve bodies and what not but I dont know too much about the auto's


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2000 7.3 XLT F-250 121,xxx Auto
Out of Arlington, WA
AFE Stage 2
Edge insight
Edge Evolution programmer
Wicked Wheel from RiffRaff
5" diamond eye
6" MBRP tip
35" Toyo M/T's
Tuff Country 2.5" leveling kit
Firestone airbags
Super hitch
Kenwood CD receiver
Hayden trans cooler
Bright Box from Riffraff
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post #5 of 28 Old 05-02-2012, 03:04 AM Thread Starter
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What is the 10k mod?


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2000 7.3 XLT F-250 121,xxx Auto
Out of Arlington, WA
AFE Stage 2
Edge insight
Edge Evolution programmer
Wicked Wheel from RiffRaff
5" diamond eye
6" MBRP tip
35" Toyo M/T's
Tuff Country 2.5" leveling kit
Firestone airbags
Super hitch
Kenwood CD receiver
Hayden trans cooler
Bright Box from Riffraff
cannon4 is offline  
post #6 of 28 Old 05-02-2012, 05:12 AM
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A resistor in the icp.
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post #7 of 28 Old 05-02-2012, 05:31 AM Thread Starter
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Sorry I'm a newb. What's the ICp?


Sent from my Autoguide iPhone app


2000 7.3 XLT F-250 121,xxx Auto
Out of Arlington, WA
AFE Stage 2
Edge insight
Edge Evolution programmer
Wicked Wheel from RiffRaff
5" diamond eye
6" MBRP tip
35" Toyo M/T's
Tuff Country 2.5" leveling kit
Firestone airbags
Super hitch
Kenwood CD receiver
Hayden trans cooler
Bright Box from Riffraff
cannon4 is offline  
post #8 of 28 Old 05-02-2012, 05:53 AM
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No worries dude. Its the injection control pressure sensor. As why it made my truck shift better Idk but it does. I've read that doin this mod effects autos but not manuals if its true than it makes sense it would either help or hinder the trans.
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post #9 of 28 Old 05-02-2012, 05:54 AM
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Looks like a 1st Gen toy on your trailer

Last edited by Tivs; 05-02-2012 at 06:09 AM.
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post #10 of 28 Old 05-02-2012, 06:17 AM Thread Starter
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Well let's hope it helps lol what did that run you? Yeah it's actually my dads. I just like to haul it when we go wheeling lol


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2000 7.3 XLT F-250 121,xxx Auto
Out of Arlington, WA
AFE Stage 2
Edge insight
Edge Evolution programmer
Wicked Wheel from RiffRaff
5" diamond eye
6" MBRP tip
35" Toyo M/T's
Tuff Country 2.5" leveling kit
Firestone airbags
Super hitch
Kenwood CD receiver
Hayden trans cooler
Bright Box from Riffraff
cannon4 is offline  
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