Does Computer adjust for larger tires?
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Elder User
Joined: Jan 2009
Posts: 587
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From: Cecil County, Maryland
Does Computer adjust for larger tires?
I just thinking (trouble there) does the computer adjust for larger or for that matter smaller tires. I know the dealer could reprogram (so could I with the Smarty) my old Dodge for the larger tire size. Does Ford's computer do it on it's own or does it work on a range. Does it have to go to dealer or is there a way for the owner to do it on his/her own? So far the dash milage and my hand cal are very close plus I only went up to 32.5". Any thoughts? Chris
Senior User
Joined: Apr 2009
Posts: 168
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From: Houston
I know I have read that the Edge will adjust for tire size. I am sure the dealer has that ability as well. What they would charge I have no clue. I wouldn't be to surprised if some of the larger tire shops don't have the ability as well.
MMNC (SS)(Ret)
Joined: Mar 2004
Posts: 11,602
Likes: 148
From: SE Georgia
the PCM will not all by it's own.
You have to visit a Dealership...or buy a Programmer. It's the only way.
The Dealer has their diagnostic tooling that will charge $50-100 for the convenience of ripping you off.
A programmer works great. Convert the tire size into it's metric equivalent and then punch that number in.
I personally would do the programmer
You have to visit a Dealership...or buy a Programmer. It's the only way.
The Dealer has their diagnostic tooling that will charge $50-100 for the convenience of ripping you off.
A programmer works great. Convert the tire size into it's metric equivalent and then punch that number in.
I personally would do the programmer
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