2004 Buick LeSabre Speedometer
#2
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From: Windsor, Ontario / Detroit, Michigan
You can purchase a tuning device (DiabloSport, HP Tuners, etc.) or take it to the dealer. Tuners are fairly expensive so if all you want to do is recalibrate the speedometer you should go to the dealer.
Are you not running stock tires?
Are you not running stock tires?
#4
Welcome to the forum Jim!
I like the LeSabre'* very comfortable smooth riding cars!
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Programming for a different tire size or rim can be done to adjust for speed errors for Obd2 cars.
The formula'* a little tricky in programming, but a knowledge tech at dealer should be able to accomplish input for new sizing.
If you were running the original stock tire size and the speedometer is out slightly, they would recommend that the speedometer be recalibrated.
Probably a tuner may know how to tune for 5 mph less based on an new input of a tire size though.
I like the LeSabre'* very comfortable smooth riding cars!
Feel free to browse around our forum as well. We have a lounge and entire section dedicated to Buick vehicles as well! Buick - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
Programming for a different tire size or rim can be done to adjust for speed errors for Obd2 cars.
The formula'* a little tricky in programming, but a knowledge tech at dealer should be able to accomplish input for new sizing.
If you were running the original stock tire size and the speedometer is out slightly, they would recommend that the speedometer be recalibrated.
Probably a tuner may know how to tune for 5 mph less based on an new input of a tire size though.
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1997 Buick Pk Ave (Soft Ride) Suspension!
Last edited by Soft Ride; 02-05-2014 at 06:57 PM.
#5
Senior Member
True Car Nut
Joined: Sep 2006
Posts: 4,816
Likes: 245
From: Windsor, Ontario / Detroit, Michigan
The speedometer can be recalibrated by connecting the appropriate equipment to the car'* diagnostic port, which is located near you left knee when you are driving. Perhaps the dealer feels it is not a calibration issue, but thinks the speedometer has failed and needs to be replaced. That, of course, would require pulling the cluster.
You still have not told us if you are running stock tires or not. If you have not changed tires sizes this may not be a calibration issue.
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