Toyota Tundra Throttle Lag Problems

Class Action Investigation

By Brian Jones | Updated on

By Brian Jones | Updated on

Lemberg Law is investigating complaints that the 2022 Toyota Tundra has a major problem with throttle lag. Vehicle owners report that they experience a lag when starting from a stop after pressing the gas pedal. This is usually followed by a surge, with the truck lunging forward.

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Is There a Problem with Throttle or Acceleration Lag in the 2022 Toyota Tundra?

All you have to do to find out about the throttle lag problem in the 2022 Toyota Tundra is log into the National Highway Traffic Safety Administration (NHTSA) website and read the complaints. If that doesn’t convince you, log into Tundras dot com, a forum for Toyota Tundra Enthusiasts and you’ll see just how many unhappy customers there are out there.

It’s confusing for Tundra owners though, and they identify the problem in many different ways. Surprisingly, relatively few identify it as “throttle lag.” Nevertheless, almost all the complaints lodged with the NHTSA between January 25 and November 17, 2022, relate to this potentially dangerous problem. And there were a total of 29 complaints at this point in time.

What Problems are Tundra Owners Experiencing with Acceleration Lag?

Some Tundra owners call it a throttle lag while others simply call it a lag. Because it usually happens when accelerating from a stop, many link it to an acceleration issue. Others talk about the engine or acceleration surging. Some simply say that the throttle doesn’t respond. There are also numerous complaints about the Tundra losing power.

Complaints to the NHTSA

Let’s start with some of the complaints that identify throttle lag.

An owner from New York complains that there is a “throttle lag of 2-4 seconds when pulling out into traffic or crossing an intersection. Happens intermittently on a daily basis. Seems to happen more when (the) engine is warm but not at full operating temperature. Definitely not normal and potentially dangerous.” He mentioned the problem to the dealer who said “it was probably normal.”

Another New York owner talks about a throttle lag/surge. “Several times, from a stop, I’ve pushed on the accelerator pedal and the vehicle hasn’t responded, only to surge after. Something is wrong, multiple people have reported the issue to Toyota, but they haven’t responded.”

An owner from North Carolina talks about there being “lots of lag when starting from a stop.” It starts “a good 3-4 seconds after pressing the gas pedal.” Then the truck will lunge forward. “This is concerning when pulling out into traffic.” Even more concerning is the response from the dealer who said, “Yes, we know about it, there is no fix for the delay”. Clearly, as the complaint states, this is very unsafe.

Throttle Lag Seen as an Acceleration Issue

Reporting an incident that has recurred 3 times, an owner from Arizona explains what happens when accelerating from a stop. “I start to accelerate like normal for about 5 feet and then a total loss of power. This leaves me coasting into traffic and about 2 seconds later it takes off like normal.”

An owner from Michigan says his problem is intermittent. “When pressing the gas pedal, there is often a delay of 1 to 2 seconds, followed by an acceleration surge. This has created potentially hazardous conditions during otherwise routine traffic situations. The delay has resulted (in) unpredictability, and the surge has caused loss of control when on gravel surfaces.”

An owner from Washington states that “Randomly when trying to accelerate from a stop or a slow roll (less than 5 MPH), the throttle doesn’t respond for 2-3 seconds. Then the truck will surge. When I say it doesn’t respond I mean nothing happens, no RPM increase or anything. The dealership wants me to believe that it is turbo lag, but that is just a decrease in power, not total loss of acceleration. This has been an issue since delivery.”

Discussions on the Tundra Forum

A member of this forum who owns a 2022 Tundra Limited CrewMax started a “throttle lag/surge” thread on April 18, 2022, a week after taking delivery of his truck. He said he was experiencing a low-gear throttle lag that was followed by an acceleration surge. Asking other Tundra owners for comment, he said this wasn’t “typical turbo behavior.”

Someone suggested he try Sport Mode, because “I think the throttle response and turbo spool is really really quick and responsive… with minimal to no appreciable lag.”

Another member said he found that Sport Mode “seems to maintain a minimum rpm around 1,500 rpm in a gear that offers immediate response… even when I’m not feeling that ‘sporty’, it is then immediately responsive to throttle and much more ‘connected’ to my inputs.”

There is also a suggestion to try an ECM/learning rest.

In response to this, another member said: “It’s noteworthy that the issue, for me, seems isolated to stop and go. Very pronounced coming in and out of stop signs around our neighborhood, but (I) don’t feel a severe lag with shifts when up to speed. Generally, the transmission feels smooth above a certain speed, maybe 40+ mph.”

Some participants in the forum state that there isn’t any lag unless they use the ECO mode.

One suggestion, based on experience, is that it is “a delay in the shift programming when slow rolling. Like the transmission is between 1st and 2nd and the computer kills throttle input until the tranny decides on a gear. I’ve still never had it happen after coming to a complete stop. I’m assuming that the complete stop forces the tranny to select 1st gear so there is no delay in throttle response.”

Safety Concerns

Some members think it’s a safety issue. “This throttle lag from a dead stop happened to me the other day and almost got me killed. I haven’t replicated it and think it may have been fixed when the dealer updated my truck for one of the recalls. I don’t trust this truck.”

“Had this happen after dropping my kid off this morning… On a decent slope, going across a lane turning left, trees blocking (the) view of me and other drivers. It was so slow to get me out into the other lane it was fairly terrifying. Anyone speeding through and I would certainly get smoked from either direction.”

Known Issue with No Solution

This is the scary part. On April 28, 2022, a member who owns a 2022 Tundra Platinum said that a mechanic told him it is “a known issue.”

About 7 months later, another member reported that he had taken his truck to the dealer several times. The “dealer just had no solutions.”

What Should You Do if Your Tundra Exhibits Throttle Lag?

Lemberg Law is investigating complaints about the throttle lag that 2022 Toyota Tundra owners are complaining about. If you have experienced problems, we’d like to hear about them. You might qualify for our class action investigation.

If you’d like to join the investigation, please call us at 844-928-4443 or complete our case evaluation form. We will evaluate your case and see if you qualify. It won’t cost you a cent because the law says that Toyota must pay all legal bills for lemon law cases.

Brian Jones

About the Author:

Brian Jones spent more than 20 years working as an ASE Certified Master Tech and Parts Specialist at multiple dealerships. Brian has become an authority in the industry, traveling across the country to consult for car dealerships and contributing his expertise as a writer for several major automotive publications. In his spare time, Brian enjoys working on pickup trucks, muscle cars, Jeeps and anything related to motorsports.

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1 COMMENT
  • William A

    I also have the 2022 SR5 TRD Tundra. I’m experiencing MAJOR lag from stop to acceleration. There is 3 options in drive mode, sport, standard, Eco. The only mode this don’t happen in is in sport. There is about a 2 second delay when taking off from a stop sign or traffic light. There IS times when I’ve had close calls with oncoming traffic. The dealership told me that it’s normal because all the other trucks do it….REALLY????

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