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Tuner
Trouble with tps and speedo sierra 2018 erratic tps
Sierra 2018
I have erratic tps value on highway
Sometime reach 75% without touching pedal on cruise control
Truck downshift in 5-4 without reach the 6gear
Any tips ?!
Second
Truck is on 35.4 tire
I change tire and gear in the wizard.
Speedo is always offset and cant get at the right place
If left oem value 3.42 and 30.87. Speedo is correct but i need to scale
Shift point by 10% down
Im all fuck up in this one
Last edited by elerico; 02-14-2022 at 08:58 PM.