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2010 FORD FLEX ECO 6F55


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#1 OFFLINE   Mcrnb1

Mcrnb1

    New Flex Member

  • Ford Flex Members
  • 4 posts
  • Region:U.S. Southern Plains
  • Location:Oklahoma
  • Current Vehicle:2010 Ford Flex Limited EcoBoost

Posted 20 April 2018 - 04:42 AM

Well i have a 6f55 and on my sct livewire tuner the line pressure always Read 290 PSI in park now I'm reading right at 56 PS I and park. So it down to the shop and they pulled the alldata Line pressure chart it shows pressure at idle

Line pressure chart it shows pressure at idle
P 54-60 AT 56
R 100-105 AT 93-95
N 54-60 AT 56
D 84-87 AT 80-82
L 80-90 AT 80-83

Line pressure chart it shows pressure at Wide open throttle Stall

P 54-60 AT 56
R 250-300 AT 300
N 54-60 AT 56
D 240-250 AT 319
L 240-250 AT 304

NOW....while driving at ANY speed when i let off the peddle and then Start to accelerate with a light pedal the transmission will shudder This happens in any gears, But it wide open throttle it feels normal  any ideals there isn't any code showing when we scan it. We've already changed the plugs and coils and put a new battery in it in case it was electrical.What happened to the good old days where you had a vacuum line and didn't have to Disassemble the air filter housing or have A computer to check your transmission fluid. Any help would be greatly appreciated. 

 

 

 








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