2022 SR5 hesitation, studder between 2,000 and 2,500 rpm

I just traded in my beloved 2018 Tundra for a new 2022 SR5 Tacoma V6 4x4.
I really like this truck. It reminds me of my truly awesome 1985 Toyota pickup, it is so fun to drive.

The issue It has, that I am wondering if it is a normal quark with this engine, is the shudder/hesitation/studder feeling the truck gets between 2,000 RPM and 2,500 RPM when the pedal is halfway down. I run into this if I am trying to get up to speed at a medium pace or if I go up hill from a stop. The truck seems fine at high RPM and I can avoid the shudder if I go up to speed at a quarter gas pedal (Unless going uphill). The truck pulls my boat and 7x12 utility trailer with a side by side on it with no issue. The problem seems to be only when driving empty with no load on the truck between 2,000 and 2,500 RPM. Seems like a misfire or running or of gas.

Wondering if this is a normal issue with this truck or if there is a fix? My truck has 5,000 miles on it today.

 

Not normal. Bring it to the dealer.

 

We have the exact same truck, yours is just a year newer, and I have to agree that doesn’t sound normal. There’s the typical annoying transmission shifting that everyone complains about but this sounds like something different.

I also vote for taking it back to the dealer while it’s still under warranty.

 

Yeah, not normal. My 2020 3.5 is starting in rocket mode at those rpm. If anything you should experience some lugging/hesitation at 1200 rpm like a buddies taco i was in.

 

sometimes the learning process can go awry. you can use techstream to reset the learned values. I've also pulled the EFI and ETC-S fuses for a half hour and it seems to reset the fuel trims which can help.

 

Since we can’t see, hear, or feel what you’re describing, I’d say best bet is to go test drive one on the lot. They do have some interesting shift points and engine mapping that require some getting used to.
I’m guessing if you let them know your intentions, they’d be happy to oblige.

GL

 

There are a whole bunch of threads on this very same subject. I had the problem also. I can’t get the dealer to tell me what the actual problem is, seems like they don’t actually know. Some people think it’s the torque converter, some say it goes away with a higher grade gas, mine went away with a KD Maxx tune. Shifting into Sequential mode eases it also. I came from a beloved Tundra also and there is a learning curve here with the Tacoma. First thing to learn is that there is “normal” and then there is “Tacoma normal”. This stutter step it does is actually “Tacoma normal”. I found it charming for awhile until I didn’t anymore, fortunately for me the KD tune took care of it, but they make no claims that it will. Good Luck and give the new truck plenty of time to grow on you and it probably will.

 

They still did not fix it in 2022?

 

All you do is drive more and it will get better down the road (your truck is learning your driving habits) or find someone near you to get your truck tuned.

If your truck has automatic, then put it in S mode instead of D mode and go from there and see if it is better for you.

 

not all trucks have it because the learning algorithm is so complicated anything could happen if the "AI" decides so

 

There is no learning algorithm. Just not enough trottle....

 

Imo. it your truck is having this issue while others aren't, yours needs to be corrected by toyota. My truck has no tune...its bone stock and doesn't do any of what the op claims. I'm sure there are others also that don't have this issue. Just go beck to toyota and have it resolved.

 

there is a learning process. it's part of the ecu.

 

That doesn't sound like anything with the learning process. I never had it with my truck. The only learning issue i had was before 1500 miles, the truck had eratic shifting habits where it didn't seem to know the correct gear to stay in. No hesitation, or shutter at 2000-2500 rpm either. If i could put it this way...it felt like you were short shifting gears.

 

Throttle settings per gear, torque converter settings, ASIC settings are static and don't change with your driving habits.
Also, D mode has a dozen of shifting profiles based on the engine torque values. Those are set
The issue described by OP is common on oem ecu "tune" especially in the hilly regions.
The torque converter has 3 states :unlocked, slipping and fully locked. The issue starts when tc is locked and oem trottle limit is too low for the gear. Similar to driving manual in the wrong gear. Basically the torque production is limited.
On tunes, the limit on the trottle is increased, therefore you can generate more torque at the given rpms.
My assumption is that more torque increases Line pressure on tranny clutches to prevent the slipping , thus less shudder, jerky. I still can feel a bit on my tuned one in very narrow region of rpms. But this could he related to ASIC and how air gets to the cylinder at high rpms.
Also, OP has SR5.
SR5 has a different rear axle code A04A. Possibly a different drive ratio, which may contribute to the issue that other trims don't have.

 

I've got an sr5 with the same axle code mentioned and have none of those issues.