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I have seen this happen in several f150's 09 and up. IDS shows the programming complete but when you check it nothing has changed. NO IDEA why its doing this either.
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I had mine done. I went from having the stock pirellis on 20"s to Raptor wheels with 315/70/17 tires. Truck ran a little crappy (like bumpy shifts) and so I went in to Ford to have it recalibrated. Huge difference after that. I have an Ecoboost too if that makes a difference...
Uh, how do you know, or how can you tell if the speedo is off still? Mine just seemed to run better and the MPG's changed after that so I assumed I was correct now...
Thanks TEXAS. That's what I wanted to hear. I have Raptor tires and wheels too and it runs like crap. Two dealers have been unable to make the update work.
Uh, how do you know, or how can you tell if the speedo is off still? Mine just seemed to run better and the MPG's changed after that so I assumed I was correct now...
GPS. No matter what seting they choose,my speedo is off the same amount. It's off by 6%. Doesn't sound like much, but it is.
My raptor wheels & tires will be here in a couple of days too. I hope my dealer can make the change! I've heard both sides...no, it can't be done and yes it can. How many mpg's did you lose?
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2011 silver 6.5' SCREW XLT EB Max tow with TGC 2" level, Firestone airbags, tint, bedcover, Z130BT nav unit, RF door speakers, Punch 400-1 & 10" sub, rear b/u camera, Viper remote start & '12 Raptor wheels/tires
Don't know. Of course the gauge will be way off. You have to check it by hand,then add 6% more miles cause your odometer will be off too. Haven't done that yet. However, I usually lost about 2mpg with my diesels in the past.
ecoscrew. Please let me know if the calibration "took" Just check it before and after with a hand held gps.
Who's Had Their Ecoboost Speedo Recalibrated AT The Dealer?
I hope my dealer can make the change! I've heard both sides...no, it can't be done and yes it can. How many mpg's did you lose?
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