Engine And Engine Cooling Problems of Toyota Tundra - part 1

The contact owns a 2024 Toyota Tundra. The contact received notifications of NHTSA campaign numbers: 25v322000 (exterior lighting), 25v767000 (engine and engine cooling), and 26v038000 (back over prevention); however, the parts to do the recall repairs were not yet available. The contact stated that while driving approximately 10-15 mph, the vehicle experienced reduced engine power. The contact stated that while driving from a complete stop in the middle of an intersection, the vehicle stalled, almost causing another vehicle to crash into the vehicle. The contact was unable to pull over to the side of the road. There was no warning light illuminated. The contact was able to restart the vehicle and resumed driving. The contact stated that the failure had occurred on several occasions. The vehicle was taken to the dealer, where it was diagnosed and determined that the engine had failed and needed to be replaced; however, the part to perform the recall repair for NHTSA campaign number: 25v767000 (engine and engine cooling); and was not yet available. The vehicle was not repaired. The contact was unsure if the manufacturer had been contacted. The failure mileage was approximately 36,500.

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The contact owns a 2024 Toyota Tundra. The contact stated that while driving approximately 45 mph, the vehicle went into limp mode and failed to accelerate. The contact stated that the messages “engine power reduced” and “support brake malfunction” were displayed. The vehicle was able to restart. The contact stated that while driving approximately 45 mph, the message “malfunction with throttle/engine/powertrain” was displayed. The vehicle was towed to the dealer, where it was diagnosed and determined that the vehicle had experienced a low-voltage failure and needed to be repaired. The vehicle was repaired; however, the failure recurred. The vehicle was taken back to the dealer, where it was diagnosed that the computer software had failed, and a software update was needed. The contact received notification of NHTSA campaign numbers: 26v038000 (back over prevention), 25v322000 (exterior lighting), and 25v767000 (engine and engine cooling); however, the parts for the recall repairs were not yet available. The manufacturer was made aware of the failure. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The approximate failure mileage was 7,278.

While operating my 2023 Toyota Tundra trd pro under normal conditions, I started the vehicle and activated standard factory equipment including the seat heaters and window/mirror defrosters. Shortly thereafter, I noticed a slight acrid odor inside the vehicle, which quickly became more pronounced. I drove approximately 200 feet, and immediately returned to my driveway. Upon shutting the vehicle down, I observed smoke coming from the engine compartment. I opened the hood and confirmed smoke and signs of an electrical fire originating in the engine bay. I used a fire extinguisher to extinguish the fire and then disconnected the vehicle’s battery. No injuries occurred. The vehicle was not restarted and was subsequently towed to an authorized Toyota dealership for inspection. Visible damage is present in the engine compartment, including the main fuse/relay box and associated electrical components. The incident occurred without collision and during normal vehicle operation.

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1-2 second period of no throttle response from a rolling stop, then a sudden lurch of acceleration. This happens all the time with my family in the car and its really scary.

The engine repair was a short block only, even thoe the main bearings spun and sent debis threw the engine. #1 rod went as well. Apon recieving the truck back, with in 200 miles, I've had the same hesitation with the engines as I had just before the first engine failed. Took it by the dealer and no issues found. Oil preasure stays up and temp normal. I've had many issue with throtle lag sence day one. The milage has stayed in the low 11 gpm when before I would get on average 14 to 16. Dealer stated Toyota would make it right if the engine fails again. Very unhappy with Toyota as I feel they are just kicking the can down the road.

Hesitation/lag acceleration and stop.

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There is a lag when you accelerate. Many people notice a throttle lag and I’ve asked the dealer to fix it, but they said it is not a recall.

Engine started knocking, complete loss of power and had to pull over immediately to avoid any further issues such as an accident.

Driving down the highway at about 50 mph. Went to pass another vehicle and engine shut off. Thank goodness was able to pull to shoulder and get towed to dealer. Could have been a catastrophic situation.

Complete engine failure on 2025 Tundra. Left me stranded on the side of the highway.

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Toyota has recalled vehicles (24v-381) with the exact same motor that I have, but my truck has not been recalled simply because it is a hybrid. Their reasoning is that the hybrid motor will allow you to still move if the internal combustion engine does not work. Many hybrid owners have stated when their motor died they could not move. Toyota needs to include all the motors in this recall, including the hybrid engines. This is a safety issue that needs to be addressed.

Were were driving, my 2021 Toyota Tundra, just stopped running. No check engine lights had come on until the engine stalled as we coasted to a stop on the side of the road. We had it towed to the central maine motor in waterville, maine 04901. Central maine motor -Toyota service just got my truck in to a service bay today 1/29/26 and in formed me the failure was due to the fuel pressure module and a fuel pump failure. Toyota has other years of vehicles that they have issues recalls for and my truck has the same fuel system and fuel pump as in those year vehicles, but no recalls for my truck, a 2021 Toyota Tundra built in sept/oct of 2020. [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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On my 2023 Toyota Tundra trd pro hybrid at 72,241 miles, the vehicle started making a knocking noise. Engine turned off and wont start at all. Had the truck hauled to Toyota dealership for service. After them having it a week, they called to let me know that the engine is completely locked up. Metal shavings in the oil and motor wont turn over at all, even with a rachet on the crank bolt. Luckily I bought a extended warranty when I purchased the truck used as Toyota is claiming only the non hybrid engines are under the Toyota recall for the engines. After reading and researching they have the same engine just one doesnt have the hybrid assist on it. Toyota told me that the extended warranty company was coming today to check it out and would let me know where to go from here. They said its a very very uncommon issue on the hybrids but after researching that, that was a lie.

I was stopped and went to pull out of the gas station. With my foot on the throttle I pull out. And it would not accelerate. I had to pump the gas pedal I almost got hit by oncoming traffic due to the lack of acceleration this has happened multiple times very dangerous.

There have been multiple times, since owning the vehicle, when there is dangerous throttle lag. I step on the gas to turn and nothing happens for a few seconds. It can be pretty scary when there is a car coming and the truck just rolls for a few minutes before accelerating. It’s become a major safety concern for my family.

The gas pedal has no response when coming to a stop and pushing on the gas pedal. Multiple times I come to a stop, push the gas, no response, 1-3 seconds later; the vehicle jerks forward. On occasion it has nearly lead to an accident and I do not feel safe in my vehicle.

Throttle lag happens 2-3 time a day in many instances due to the delay almost causing accidents.

Have severe throttle lag and/or hesitation when giving gas from a stop. It causes a unsafe condition when you give it gas to go and it hesitates so bad I have almost gotten into accidents. This has been happening since new. Currently 30k miles on the truck.

While pulling out into traffic, my truck will suddenly hesitate. It also caused a vehicle to hit me as the truck pulled out into the lane, then suddenly completely lost power. Dealer was unable to replicate. Has happened to me several times when at a stop light. This is slightly safer as traffic behind me is stopped or slowed. It feels like a throttle issue as it completely looses power.

Continue getting a 1-2 second delay when accelerating from a dead stop after pushing on gas pedal with normal acceleration- not just an “lead foot” acceleration trying to quickly clear my intersection & merge into traffic. Happens when engine is at normal operating system or just pulling out of my neighborhood onto a 45mph road on a normal temp day.

I have had an issue several times which nearly resulted in a traffic accident. The truck has a sudden loss of acceleration where the gas pedal is completely dead. It last a few seconds and then goes back to normal. This has nearly caused several accidents where I could not properly accelerate while traffic was heading in my direction. After talking with other Tundra owners, I am not the only one with this issue. This needs immediate attention. If it is not fixed as soon as possible, I fear that someone will get seriously injured or killed. Please take this matter seriously. I suspect it may have something to do with the pre collision sensor system on the truck. It seems that it happens when there is a slight grade or dip in the road. Perhaps the sensors are at a lower angle due to the dip, making it think there is an object it will hit. The Toyota service centers don’t appear to know why this is happening and cannot reproduce the issue in a short visit.

The contact owns a 2024 Toyota Tundra. The contact received notifications of NHTSA campaign numbers: 25v322000 (exterior lighting) and 25v767000 (engine and engine cooling); however, the parts to do the recall repairs were not yet available. The contact stated that intermittently, the engine was running rough. Additionally, the contact stated that the vehicle failed to start occasionally. The contact was able to start the vehicle after several attempts. There was no warning light illuminated. The vehicle was taken to the dealer, but the vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure, but no assistance was provided. The failure mileage was approximately 30,000.

I get random lags in thorttle engagement when starting from complete or rolling stops. When this happens, it behaves like there is a delay between the throttle input and the engine resoponse. Push the throttle to go, and no go, and after a delay of usually part of a second, then it jerks and goes. Most times there is no problem and the throttle responds correctly, but this issue occurs randomly almost every time I drive.

The accelerator pedal is unresponsive at times when attempting to accelerate from a complete stop, or a rolling stop, while traveling below 5 mph. This presents itself as a "dead pedal" type situation where no matter the accelerator angle given by the driver, zero power output at the engine is given. This can be logged via electronic data logger, and clearly the throttle angle does not change when this scenario presents itself. This can present a serious safety concern as the truck becomes a sitting duck, creeping out into a intersection with no more than idle power.

This has been an ongoing issue since the vehicle was new. When accelerating from a stop, when I push the gas pedal, there is a hesitation. There is no throttle response that can last up to 2 or 3 seconds which is dangerous. There have been times that I have tried to pull into traffic from a parking lot and the truck will not accelerate then jerks when it finally responds. This happens daily.

Throttle lagging issues and delayed acceleration.

This has happened to me at least 6-7 times since owning as Jan 2024. Occasionally when stopped at stopped sign or red light, upon releasing brake and pressing gas pedal the engine will stall or stutter causing the vehicle to either hesitate to go and then launch or hesitate and not do anything. This is an issue as it has happened to me when trying to cross a divided highway and it stalling as I'm partially out in the middle of the road.

While at a four-way intersection, I went to press the throttle, and there was a very significant lag in acceleration, almost causing an accident.

Vehicle hesitates and starts to lose power and stall while driving. Toyota will not take action even though a recall has been issued and a letter in hand.

As I was drive home at 45 mph the vehicle started surging and then the engine started knocking. Then I stopped the vehicle and called Toyota for a tow. The truck was towed to the local dealer (sheehy Toyota) for inspection. Upon inspection the motor has a bad knocking in the lower end of the engine. The truck is now in the shop getting the engine disassembled. Believed to be a main bearing failure. The truck has 9,229 miles on it. Light use and had the oil changed 500 miles prior by the dealer.

The contact owns a 2023 Toyota Tundra. The contact received notifications of NHTSA campaign numbers: 25v657000 (back over prevention), 25v322000 (exterior lighting), and 25v767000 (engine and engine cooling); however, parts to do the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The contact stated that while driving 55 mph in stop-and-go traffic, the engine failed to operate as needed, and the contact was able to coast into a nearby parking lot, where the vehicle became immobile. There were no warning lights illuminated. The vehicle was towed to the dealer, but was not diagnosed. The vehicle was not repaired. The manufacturer was informed of the failure and confirmed and not received a report from the dealer. A case was opened with the manufacturer. The failure mileage was 34,736.

I am writing to formally file a complaint regarding my 2024 Toyota Tundra, which I purchased approximately five months ago. On two separate occasions while driving, the vehicle unexpectedly lost power. The first incident occurred while I was driving on the highway, which was extremely concerning from a safety standpoint. The second incident happened after I came to a complete stop and attempted to make a turn; the vehicle did not respond and had no power. In both situations, the power returned on its own moments later. These incidents raise serious safety concerns, especially given that the vehicle is relatively new. I am requesting a thorough inspection of the vehicle to identify the cause of this issue and ensure that it is resolved permanently. I would also like this concern documented in the vehicle’s service history. Vehicle information: VIN: [xxx] please advise on the next steps to address this matter promptly. Thank you for your attention to this issue. I look forward to your response information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

The motor blew up. This is the second motor. Toyota hasn't approved a new motor even though their recall says I need one.

While driving I noticed a slight knock, about 10 miles further down the road the dash said engine has stopped pull over. No check engine or other lights were illuminated before or after this. The truck had a terrible noise when I tried to restart it, but it would not turn back on.

Throttle lag/hesitation. When pressing the gas pedal from a stop nothing happens for more than 5 seconds or longer. There is significant lag before the vehicle will accelerate.