I think I’m the worse driver ever..

[chrisblaze]

Did you change the tire size with a programer or through a dealer? The computer does not just pick that info up on its own.

i requested to have it updated when the tires were installed. Unfortunately without a tazer I cannot check on my own... I think.

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[Troybilt]

i requested to have it updated when the tires were installed. Unfortunately without a tazer I cannot check on my own... I think.

Sounds like a great time to go shopping

 

[Benbean66]

i requested to have it updated when the tires were installed. Unfortunately without a tazer I cannot check on my own... I think.

I used my JScan when I put my 35's on. I then double checked the speedometer against GPS to see how accurate it was. I had to adjust it a little (changing tire size slightly) but it's now within a 1/2 MPH. I know my MPG fluctuated during my adjustment period, too

 

[Twilightwheelin]

No you just never put bigger tires on a truck before ... it effects spedo and odometer.

 

[PyrPatriot]

35’s and a 2in lift. I’m in a small town in TN where there are hills everywhere. If something is wrong I have no idea what it would be

I'm on 35s in an area with hills here in KY. I get 15-17mpgs with a mix of city/highway driving.

 

[AZJT]

I put on 35" Nittos and am getting low- to mid-17s on local street driving, but luckily still in the 19+MPG range on freeways. As others have written, invest in some type of app or module to check your settings - I recently did the Tazer Mini and finally got everything calibrated correctly. It's worth the investment, IMO. I'm not all that mechanically inclined, but after reading info and docs on Tazer's website, and watching a myriad of videos, even I was able to figure it out.

 

[brianinca]

Did you correct your speedometer for your 35's?

Weirdly enough, when I fill up I’m only getting about 293miles on a tank.
what do you guys/gals get?

 

[5JeepsAz]

Technically, you haven't broke nothing yet. Minor computer glitch. No problem....

 

[TrainMan]

I have a friend who could get that kind of mileage with a hybrid haha

 

[DaioRider]

Don't rely on the computer. Fill it up, record your mileage and reset one of your trip odometers. Then divide how many miles you drove by how many gallons you put in at the next fill-up; that will give you a truly accurate MPG.

 

[Gvsukids]

Don't rely on the computer. Fill it up, record your mileage and reset one of your trip odometers. Then divide how many miles you drove by how many gallons you put in at the next fill-up; that will give you a truly accurate MPG.

Computers lie? No... We're supposed to trust them with automating our lives and taking over driving.

 

[Moe_Fugga]

Computers lie? No... We're supposed to trust them with automating our lives and taking over driving.

They can’t even spell check properly. They’re the worse.

JK OP. You’re driving a vehicle with the aerodynamics of a barn and lots of weight to turn on all four corners. Take your foot out of the throttle a bit and enjoy life at a slower pace.

 

[shyoung1]

I like the phone app called Simply Auto for keeping track of actual mileage, maintenance, etc. Can keep track of all vehicles in one app.

 

[hjdca]

My Stock JT Ruibicon computer was set at 33.08" tire size from the factory. The correct tire size is 32.88" according to Falken. Making this correction gave me an additional 1.5-2 miles per gallon. I checked both sizes with GPS and it is difficult to notice much difference in mph with both settings, but, the mpg was fixed with the correct setting.

 

[mazeppa]

must be uphill both ways

That is the same road I had to walk to school on when I was kid, everyday it had 2 ft. of snow on it at 100° F.

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