9th and 10th gear

New to the tundra form. Recently picked up a 22 and it appears that it doesn’t shift to 9th or 10th gear. Manually I tried to put into higher gear but I don’t notice any change RPM or otherwise. When I put back into drive and try again manually it shows 8th. I’m hoping that someone can explain this to me. It’s like I have to nurse it in 8th to get half decent fuel economy. Any feedback would greatly be appreciated

 

Prolly a safety thing to keep you from putting too big of a load (not sure if load is the right word) on the rods…what kind of gas mileage are you getting? Air filters clean?

 

Has the truck reached operating temperature? How fast are you going? Any mods like a lift, larger tires?

 

I haven’t had the truck under any load or towing. There’s only 36k km runs great I’m very happy with how it goes through the gears effortlessly, at least up 8th. While in 8th gear providing I’m 90km or less it’s around 11L-100km. When I push it up to 110km I’m more like 13L-100km or worse. When I manually check the gear it says 8, and when I try to increase to 9 or 10 it simply seems to stay in 8th.

 

No mods all stock

 

Naw like how starting off on a bicycle in 10th gear will snap your legs…Toyota nanny doesn’t want you to baby it up a hill in 10th gear so they don’t let you manually go there.

 

Using manual mode with the shifter pulled to the left you cannot manually shift into higher gears than the truck is calling for. Where are you reading the current gear on a ‘22? If it’s from the dash’s center display when you pull the shifter to the left that is not your current gear. I’ve only ever seen my ‘23 Lim with stock tires hit 10th around 80mph when coasting. Occasionally 9th cruising at 70mph. I read my current gear from the OBD port with a scanner app.

 

I put my truck in drive , crack a beer and dont give a rats ass what gear it in.

 

10th rarely engages unless you cruising 75+ with 0 load and 0 wind lol

It's a reason Toyota hid the pid so well for the tranny gears, been 4 fun years and only like 1 person got some janky ass OBD2 cheapo app reader to get a transmission gear readout.

Then banks yes that aftermarket mfg was trying to replicate how that app was pulling the transmission gear and when torque converter was locked/unlocked

Been prolly another year and still dunno if it's really been figured out

In other words why is this truck geared 10th that way so you can never access it if your obeying speed laws of 65-70

 

ya, this all the way, people are over thinking this

use tow haul or tow haul plus when loaded or towing, otherwise......

boost on

 

I didnt think you are shifting with that, your locking out the gears above it. Its sequential mode not sport anyways

so if you want the max gear to be 6, then you set it there, etc. your not "shifting" through the clogs with the auto trans

it limits the shift ranges in other words

I think its mainly for engine braking

 

Wow lucky you, but too bad that is not the law everywhere in the USA and avg is 65-70mph

Go ahead and prove me wrong lol

 

Correct. I’m was used to calling manual mode “Sport” as that what it was called in the Gen3 Tacoma. I only use it in this new Tundra for engine braking as you said. In the Taco, I had to use it every drive (for 8 yrs) to keep it from shifting up into higher gears it couldn’t pull/hold and would end up shifting up/dwn/up - repeat.

 

"LOL" This clearly shows the average is over 70!
https://en.wikipedia.org/wiki/Speed_limits_in_the_United_States

 

not sure if you even read that nowhere does it say that


In the United States, speed limits are set by each state or territory. States have also allowed counties and municipalities to enact typically lower limits. Highway speed limits can range from an urban low of 25 mph (40 km/h) to a rural high of 85 mph (137 km/h). Speed limits are typically posted in increments of five miles per hour (8 km/h). Some states have lower limits for trucks, some also have night and/or minimum speed limits.

The highest speed limits are generally 70 mph (113 km/h) on the West Coast and the inland eastern states, 75–80 mph (121–129 km/h) in inland western states, along with Arkansas, Louisiana, Maine, and Michigan; and 65–70 mph (105–113 km/h) on the Eastern Seaboard. Alaska, Connecticut, Delaware, Massachusetts, New Jersey, New York,[1] Puerto Rico, Rhode Island, and Vermont have a maximum limit of 65 mph (105 km/h), and Hawaii has a maximum limit of 60 mph (97 km/h). The District of Columbia and the U.S. Virgin Islands have a maximum speed limit of 55 mph (89 km/h). Guam and the Northern Mariana Islands have speed limits of 45 mph (72 km/h). American Samoa has a maximum speed limit of 30 mph (48 km/h).[2] Two territories in the U.S. Minor Outlying Islands have their own speed limits: 40 mph (64 km/h) in Wake Island, and 15 mph (24 km/h) in Midway Atoll.[3][4] Unusual for any state east of the Mississippi River, much of Interstate 95 (I-95) in Maine north of Bangor allows up to 75 mph (121 km/h), and the same is true for up to 600 mi (966 km) of freeways in Michigan. Portions of the Idaho, Montana, Nevada, Oklahoma, South Dakota, Texas, Utah, and Wyoming road networks have 80 mph (129 km/h) posted limits. The highest posted speed limit in the country is 85 mph (137 km/h) and can be found only on Texas State Highway 130, a toll road that bypasses the Austin metropolitan area for long-distance traffic.




A standard sign indicating a speed limit of 80 mph (129 km/h), a night-time speed limit of 65 mph (105 km/h), and a truck speed limit of 55 mph (89 km/h)
During World War II, the U.S. Office of Defense Transportation established a national 35 mph "Victory Speed Limit" (also known as "War Speed") to conserve gasoline and rubber for the American war effort,[5] from May 1942 to August 1945, when the war ended. For 13 years (January 1974[6]–April 1987[7][8]), federal law withheld Federal highway trust funds to states that had speed limits above 55 mph (89 km/h).[7] From April 1987 to December 8, 1995, an amended federal law allowed speed limits up to 65 mph (105 km/h) on rural Interstate and rural roads built to Interstate highway standards.


Speed limit sign at a school zone with a warning light
Overview
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Speed limits
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This table contains the most usual posted daytime speed limits, in miles per hour, on typical roads in each category. The values shown are not necessarily the fastest or slowest. They usually indicate, but not always, statutory speed limits. Some states and territories have lower truck speed limits applicable to heavy trucks. If present, they are usually only on freeways or other high-speed roadways. Washington allows for speeds up to 75 mph (121 km/h), but the highest posted signs are 70 mph (113 km/h). Mississippi allows speeds up to 80 mph (129 km/h) on toll roads, but no such roads exist.

 

You sound like a guy I used to know.

 

If you can't see if from the graphic, never mind.
https://en.wikipedia.org/wiki/File:US_Speed_Limits.svg

 

People are doing meth on the streets...I dont see the problem having a bevy on a back road at back road speed

 

Anyone else feel that the maximum speed the Tundra's computer will let you go is a little low? It seems most people on the highway are going at least 10mph over the speed limit and if you need to pass someone in a hurry 107mph is a bit slow. The engine is hardly trying at that speed. I expect the truck would go 140+ mph if the computer would let it.

 

lol, that’s funny

Ever hear of tire speed ratings ? Most ATs aren’t that high

 

My dad would do that in the early 90’s when I was like 6, except he would let me drive.

 

At 10mph over I’m getting passed. Those people do get popped from time to time.

 

from what i remember from an old deleted post from ryangregg, 10 will only engage at 85 mph i think

 

lol my 2014 4runner tops out at like 105 ish i think (or was it 117, cant remember that far back). at that speed the brick effects is what really holds it back.


the biggest issue is the mpg. at 73mph i can get around 21-22 mpg in the 4R. go up to 77-81 mph and it drops to 17mpg.

just found this out on my trip to GA from ND going down i-29

locally i do 73mph to/from work daily (its 70mph)
ND interstate = 75
SD interstate = 80

 

There are a few AT truck tires that are 'H' speed rated (130mph). Like Toyo Open Country A/T III. The factory tires I'm running are only 'S' rated (112mph). I believe there is some law that forces the Truck manufactures to limit the speed to 107.

 

Love to see someone put together one of theses with avg actual speeds. So Cal is all 65 but actual is 75-80 when traffic permits.

 

Yep, speed is the biggest variable. Wind resistance and engine tuning are the biggest factors. In general, you can figure the speed times the mpg is a constant. So, if you increase your speed by 10%, your mpg will drop by ~ 10%. Each vehicle is different though - I had a Subaru that was apparently tuned for The EPA highway mileage figure. At 65 mph it would get the advertised mpg (per testing), but go the speed limit of 75 mph and it would drop over 10 mpg! Haven't bought a Subaru since! My '03 6 spd Corolla would get 40mpg at 80mph!

 

cyberbeast does 130+

 

wrong...we have plenty of 70mph areas