Shift points? - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 08-06-2013, 08:28 PM Thread Starter
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Shift points?

I recently had some work done on my truck through Ford. When they did the work they reflashed my computer. That being said, what should my shift points be and feel like? My truck never had any issues, now it seems to hunt for the right gear, cranks up to 3k + whenever i put my foot into it, and seems to shift out of sync. I idle at around 550, run right at 2k @ 70mph, and have no slippage. However, when I'm running @ 2k+ and take my foot off of it, the rpm drops all they way back down to 550 instantly. As soon as i put my foot back into it, it drops gears, shoots up over 3k+ before it levels out. Again, I'm not a mechanic by no means, and never had any issues like this until after the computer was reflashed. Please, any help is appreciated. Thanks guys.

2004 F-250 Lariat, CC, FX4
2005 MOTOR---6 Procomp Lift, 35 Fierce attitudes, Sinister EGR delete, Bulletproofdiesel Oil cooler system(BPD-EOC-FOF), ARP headstuds, AIRAID stage II CAI, Banks Techni-Cooler Intercooler System, 05-07 Upgrades kit(oil drain tube, blue spring kit, turbo feed line, degas bottle cap, stand pipe/dummy plug kit, STC HPOP fitting), Sinister bypass coolant filtration system, Isspro Gauges (Pyro, Trans Temp, Boost), SCT X4 (running stock tunes)
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post #2 of 4 Old 08-11-2013, 11:24 PM
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Sounds like it needs a trans relearn. Is the tuning stock? Whenever I change a tune I always find a deserted paved road and make 2-3 runs at 1/4 throttle up to 30 mph, then up the speed and throttle... 2-3 runs at 1/2 throttle to 60 mph, 2-3 runs at 3/4 throttle, 2-3 runs at WOT up to 60 mph followed by a run WOT into 6th gear. Doing this cured my 3-5 shift flare! It sounds like your tq converter is unlocking. Do you have digital gauges?

05 F-250 Crew Cab Short Bed
ARPs w/OEM Gaskets
MTW Stage 2 w/batmowheel
BPD oil cooler w/ cold weather package
BPD Updated umm...Everything
BPD bypass oil filter
BPD FICM 58v
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post #3 of 4 Old 08-16-2013, 12:10 PM Thread Starter
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late reply....

Sorry for the late reply. I appreciate you getting back to me. Yes the tuning is stock. It wasn't until I had the work done. Then it was reflashed to ford OE by ford. I don't have digital gauges, I have three analogs monitoring egt, trans, and boost. I forgot to mention, I have an exhaust break on the truck as well. Not sure if this factors in. I also have 35"'s on it. My thinking is that these things combined with being reflashed to OE is what is causing all this. Your thoughts? Im new to SLC so i'm going to have to work at finding somewhere to try your sync but I will try it. It just feels to me like maybe the tq converter is either not engaging at the right point or not disengaging when its supposed to. Does that make sense? Thanks again for the input.

2004 F-250 Lariat, CC, FX4
2005 MOTOR---6 Procomp Lift, 35 Fierce attitudes, Sinister EGR delete, Bulletproofdiesel Oil cooler system(BPD-EOC-FOF), ARP headstuds, AIRAID stage II CAI, Banks Techni-Cooler Intercooler System, 05-07 Upgrades kit(oil drain tube, blue spring kit, turbo feed line, degas bottle cap, stand pipe/dummy plug kit, STC HPOP fitting), Sinister bypass coolant filtration system, Isspro Gauges (Pyro, Trans Temp, Boost), SCT X4 (running stock tunes)
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post #4 of 4 Old 08-18-2013, 01:50 AM
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I'd try unhooking the batterys for a few minutes and see if that helps... Other wise I'm not sure what else is causing your trans is acting weird after a factory flash to another strategy code.

05 F-250 Crew Cab Short Bed
ARPs w/OEM Gaskets
MTW Stage 2 w/batmowheel
BPD oil cooler w/ cold weather package
BPD Updated umm...Everything
BPD bypass oil filter
BPD FICM 58v
Spring Mod
Egr deleted
4" Duals
Edge CTS
Custom grille made by Me
X3 w/Matts SRL+/SRLxx and Tow Tunes
Tony WildmanExtreme w/early lockup



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