Engine And Engine Cooling Problems of Toyota Tacoma - part 2

While driving I received numerous system malfunction warnings followed by a message to visit my dealership. While driving into the dealership the vehicle started losing power and engine went into complete failure. It is now at dealership and waiting for it to be inspected. When alerts first went off I was unable to stop because I was on a busy dangerous street.

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When stopped at stop signs or intersections ,when taken off from a stop truck would have a dead spot and almost caused a accident trying to get into traffic. Has happened several times over the lease time I have had it. No alerts. Has been reported . Gas treatment suggested. But still does it to a degree.

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2017 Toyota Tacoma double cab-v6 with 62k approx miles. On or around April 29th 2024, I was traveling in this truck when there was a sudden and complete loss of power, two check engine lights came on-the "trac off" light and the check engine light came on. I needed to pull over immediately for safety. I ended up driving the vehicle to the Toyota dealership in limp mode. The vehicle has sat at tustin Toyota now for weeks with the Toyota dealership initially suggesting that a acis flap broke off inside the intake manifold of the car. This was replaced and the vehicle is still providing the same alarms and still in limp mode. The initial fix(whihc did not fix the problem was a full replacement of the intake manifold). Now the dealer is suggesting that a piece(s) broke off the intake manifold and ended up inside the engine so now dealer is recommending and entire engine break down to attempt to further diagnose the situation. Again it looks to be a complete failuure of the acis system and the intake manifold. This problem has presented a extreme safety issue due to comp[lete loss for power initially then truck sits in limp mode. Very dangerous!.

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Upper intake manifold flap actuator ( part: Toyota 17190-0p101 ) brakes in the intake resulting in wrong air reading and forcing vehicle into limp mode causing the vehicle to rapidly decrease speed, and creating a potential accident with other vehicles and semi's. This will continue to happen but this will give a person a false sense of security since error codes will reset once vehicle is turned off and on, a reassurance to a person that the issue has resolved itself since this will only happen at high speeds. The part is designed for fuel efficiency, as the flap opens and closes air is controlled properly for emission, but once broken will throw error codes, and force vehicle into limp mode this part is not be repairable, the part needs to be changed completely. This would happen to me while accelerating on highways, up mountain passes and pushing vehicle over 4000 rpm.

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Motor tensioner bearings. All of the motor tensioner bearings have completely failed on this vehicle at 70,000 miles. All have to be replaced in an effort to avoid motor seizure and or other grave safety issues.

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Driving at approximately 55 mph and dash lights started flickering, radio went off, reset to 530 (am radio). Vehicle started sputtering and slowing down in traffic and completely shut down. Lost all power and coasted to side of road. I had no or little control of vehicle. I have "connected services" that was to warn me about mechanical and electrical failures and no warning of this happening. This enrollment was to give me "services designed to help keep you safe, secure and in control of your Tacoma from almost anywhere". "brand engagement center" not concerned of the incident. Apparently two and half year old battery failed. Replaced by myself.

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The contact owns a 2023 Toyota Tacoma. The contact stated that while driving at approximately 15 mph and attempting to make a right turn, the check engine warning light illuminated, and the vehicle started jerking. The vehicle was taken to the dealer, where the contact was informed that the vehicle could not be diagnosed because the check engine warning light was not illuminated. The contact stated that the failure persisted. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 2,000.

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Wiring harness on the vehicle is being completely replaced due to "rodent damage" according to the dealer. I am not an automotive engineer but if compromised wiring finally fails while driving I suspect a number of systems could be affected. There was no indication of this problem during vehicle operations. My insurance company agreed to pay for this about $7200. I have owned the vehicle for ten months.

Experienced a check engine light and took the 2019 Toyota Tacoma to the Toyota dealer where they ran diagnostic check revealing the # 1 cylinder had little to no compression due to damaged valves. Mileage at the time of failure was 59966 miles.

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Rear coolant bypass joint leak. This is a plastic defective pipe that has leaked on my truck and thousands of others! the dealership wants 2000 dollars to repair their cheap mistake! I have pictures and invoice to upload, but the site will not allow it.

Bought 2016 Tacoma in 2022 w/ 53k miles. Hit 58,850 (ish) and had an noticable oil leak… apparently this was a “well known” issue, as the mechanic @ surprise, az dealership (Toyota of surprise, 13543 n. Auto show Ave. , surprise, az 85388) told my wife and I…. It’s from this same thing that google showed me also: “engine oil leaks: reports on consumer reports and other forums detail expensive repairs to fix oil leaks from the front seal or timing cover, which can cost $5,000 or more because the engine often needs to be removed for the repair. ” and this was 100% my case- and confirmed by the Toyota dealers mechanic verbally. Leaks were without engine light indicators “at all”. The dealership added a dye, told me to drive 100-500 miles and return to have a re-inspection done after their initial one came with no results. Initially I spotted this while I was conducting a regular 3,000 mile oil change. (2nd oil change since owning the truck. So my out of pocket was around $5,700+, for an apparent (see attached) “well-known” dealer issue. @ 60k, a major repair cost for this should not but coming from the consumer, and needs to be listed as a “recall”. Had I not noticed the missing oil, this could have left me stranded, my family stranded, or caused many other traveling issues throughout my driving experiences. I repaired this around two years ago, but have been terrified to drive my truck! I’ve driven about 1,000 miles or less since the repair (in 2 years time). I’m selling first chance I can, but, I want my money back! I have the receipt in a safe for when this becomes a recall - to prove I paid it, and to get a full refund!!! that is not how good business is done by Toyota. I owned a 2004 and 2005 camrys prior, as well as a 2014 Lexus GS 350 f sport (all in my name), this truck was a dream, now a nightmare. Please, for everyone complaining online and those that have had to also pay for these repairs @ low mileage, make this into a recall for 2016 Tacomas.

Fuel injector(s) leaked without any warning, causing engine to loose power on freeway. We were fortunate to be able to move over to the shoulder before the truck lost all power. Vehicle was towed to dealer and it was determined that the injector leaked fuel into engine causing engine failure. Repairs needed include engine block, heads sub assembly, injectors and assorted other parts total for parts and labor $19,256 no warning lights or symptoms prior to this problem. Truck has been running fine with no problems, only has 41,000 miles.

The contact owns a 2017 Toyota Tacoma. The contact stated that while operating the vehicle, the check engine and traction control warning lights remained illuminated. The vehicle was taken to the local dealer who diagnosed that engine cylinder #2 was faulty, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 101,000.

The contact owns a 2019 Toyota Tacoma. The contact stated that while driving at various speeds, the vehicle suddenly stalled. The contact stated that the failure had occurred on several occasions. The cause of the failure was not yet determined. The local dealer was contacted. The manufacture was not contacted. The failure mileage was approximately 120,000.

When starting the truck and warming up a minute or so and then putting in reverse to back out or forward to pull into a carport, idling in gear with your foot only on the brake, the engines surges/revs up with just the slight turn of the steering wheel causing an unintended speed increase. I believe that this could cause a minor accident. It does not appear to be caused by the engine having a fast idle when cold as the idle drops when you shift into a gear. What appears to be happening is the ecu over compensates for the slight strain caused by the power steering pump when you turn the wheel. My carport is narrow and does not align exactly with the driveway, you have to jog left a foot or two and then right to pull in or back out. At the second service visit on 12/12/23 the dealer then checked and observed this behavior and reported "this is normal operation and directly related to power steering pump activation when wheel is turned in any direction" the vehicle was purchased new last may and currently has 3,995 miles on it. I think it probably had this problem from new but I had mostly just pulled straight in and out of the driveway until the fall when it was mostly parked in the carport as it was not being driven as regularly. I don't think it does it as bad when fully warmed up which takes quite a while for this engine.

This 2019 truck feels like it just doesn’t want to go. It struggles to go up any hill no matter how small. The engine jumps feels like it’s got a heart beat while riding. The gas mileage is horrendous and awful the 2015 was all around a better truck I read somewhere that Toyota recalled a bunch of 2019 trucks for a gas line rip was causing fires and whatever else. I thought for sure it had to be my trucks issue bc that would absolutely explain why it’s running so weird and ragged. The poor thing … I’m very worried about it.

Truck will stall at random times and random speeds. All the engine lights will turn on and then the truck will shut off. Need to roll to a safe spot to stop the vehicle, put it in park, turn the engine off, then turn it back on.

The engine part “coolant bypass joint” failed, started leaking coolant at 44k miles, because it was made of inferior plastic material, unlike the same part used in the same 3. 5l v6 engines in the Lexus vehicles, which are made of aluminum. This is a widespread failure since 2016 model years, and Toyota refused change the design or manufacturing material of the part, or to repair it under warranty. The part number for this failed part is 16356-31051.

Trac off & engine lights came on. Removed gas cap and put it back on. Removed cables to the battery and left them off. Replaced battery cables. Lights remain on. Went to dealership and they charged $100 to scan vehicle. They don't know what's wrong and said it'd be another $800 to check further. They said maybe a rodent had chewed through a cable??? have seen several reports of this vehicle condition and the battery cable resetting took care of the problem a lot of the time. Not this time. Don't feel comfortable a. Driving the truck with these lights on and b. Don't feel comfortable with handing over $800 for them to look into it. What to do?????????????.

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When starting vehicle (2015 Tacoma trd sport) on a cold morning, received check engine light and trac light. Used code reader and received code p0418 secondary air injection system control a circuit error. I reset the code and it came back immediately. I did some research and it is a known issue. I also contacted a local Toyota dealer (kool Toyota) and they stated there is no open recalls on my vehicle and that they have replaced this on some vehicles but mine is not included on the recall. In review this is a known issue with the secondary air injection system failing with Tacomas yet Toyota fails to do anything about it. It is an expensive fix for a known issue. Toyota has recalled 2012s and have a service notice for a fix but it is expensive. The service notice was created because of the issue however they fail to do anything about it besides a service notice.

It has been well established among 2016 and up Toyota Tacoma owners and clubs that the rear coolant bypass joint leaks at different mileages, if the loss of coolant happens rapidly enough the engine could overheat and siez up and cause the pistions to weld to the cylinders along with causing extensive engine damage not to mention how the driver would handel the truck, Toyota dealerships and manufacture also know of this coolant bypass joint leak and how common it is. Also the corrosive build up from the antifreeze will cause other parts and wires to not work, attached is my part and the build up of antifreez before the leak,.

Vehicle is designed in such a way as to allow moisture accumulating in drivers side floor mat and carpeting to wick upward and be deposited on the primary vehicle wiring harness located in the drivers side kick panel. The moisture collected travels down into the backside of the various female connectors and corrodes the conductors and receptacles that result in short circuits between the various vehicle components including the ignition, engine shutoff, temperature sensors, antilock breaking, blind spot monitoring, fuel gauge, forward vehicle lighting (high and low beam), security, traction control and other critical vehicle systems. On February 5th, 2023 I returned to my vehicle to find the security alarm sounding in the parking lot of a local business, both the keyless entry system and key-fob were unresponsive and would neither silence the alarm or unlock the vehicle. After manually unlocking the door handle the alarm ceased, the vehicle started as normal and then began indicating a failure of the bsm system, while underway the abs indicated it had also failed and upon arrival at our destination the engine would not turn off even with the emergency shutdown routine prescribed for unintended acceleration cases. In addition, the high beams would be triggered by unrelated button operation occasionally fail to turn off, the fuel gauge, temperature readouts and climate control provided unintelligible values. The vehicle was returned to to dealership where it was determined that water from the floormats was able to contaminate and cause systemwide failure. The repair was to replace the entire wire harness which would not be covered by warranty. On 3/15/2023 I reached out to Toyota headquarters' customer engagement team and was advised that Toyota was aware of the problem and had no interest or obligation in rectifying the situation, regardless of my concerns that this presented a clear safety hazard to both operators and the general public.

Timing cover gasket failed. I notice leak at 70k but the gasket may have failed earlier. I believe this to be a manufacture defect as this is a common issue.

Fuel system - vehicle surged (high rpms) while gearshift lever was in the drive position after release of pressure on the accelerator as I was parking the vehicle surged and smashed into a cement post, the vehicle traveled approximately 10 to 15 feet. The vehicle is currently at the dealership where an independent contractor, who is contracted by Toyota, will be doing a visual and diagnostic analysis. I expect the vehicle to be returned to me on 1/19/2023. The vehicle and components have not been inspected by any other individual at this time. There were no warning lights on prior to the surge. Unknown if any warning light came during the incident which I believe was two (2) seconds until impact with the post.

- engine throttle went into wide open throttle causing the unintended acceleration in traffic - the truck was doing about 45mph the passing gear came on and a second I was doing 60mph I quickly applied full pressure on the brakes and the car did not slow down at all, the truck failed to stop or slow down and was getting closer to the vehicle in front, it was in the expressway. My only thought was too press the on off button and instantly shut down the passing gear and slowed down. _ the vehicle was dropped of at the dealer for 2-weeks and was inspected no problem found. - there were no warning lamps messages on the screen or voice message at all. I am afraid to drive this vehicle it became a runaway wild horse. If I didn`t react in milliseconds I would of hit the car in front at a high rate of speed causing damage to everyone. I took pictures after right after having full control of the truck. All the record of my complaints of the Tacomas drive train started more than 1 1/2 years ago the records are the facts of Toyotas negligence. I have total fear and don`t trust this truck with my life. Please check the recorded dealer is doral Toyota and you can speak with the service manager tony herrera(786) 569-5121 therrera@doraltoyota. Com.

This vehicle is equipped with Toyota v6 motor that was new in 2016. The issue is the timing chain cover leaks oil. This was an issue on Toyota motors before 2016 and Toyota issued a TSB for those. However Toyota has refused to acknowledge this ongoing issue in its post 2016 motors. This is a very well know issue by Toyota.

I have experienced two major failures on my 2016 Toyota Tacoma trd sport with less than 90,000 miles: a leaking coolant crossover pipe, which required partial engine disassembly and cost me approximately $2,500, and a leaking timing chain cover, which required a full front-end teardown and cost over $4,500. Both issues are known problems across 2016+ Tacoma models with the 3. 5l v6 (2gr-fks engine), yet Toyota has not issued a recall or warranty enhancement. These failures present safety risks related to overheating and oil loss and result in significant financial burden to owners. Toyota needs to be held accountable for these premature, design-related failures.

Due to the failure of the secondary air pump system vehicle will experience a sudden loss of power and could cause a loss of control. Toyota is aware of the problem but will not issue a recall.

This vehicle stalled while driving. It would totally shut off. Once at 75 mph no warning just shut off. Had a cylinder misfire according to dealership. On 2 other occasions it shut off while driving. On those occasions I was backing up out of a driveway and driving slow on a drive. So very slow speeds. On those 2 occasions it had engine stall codes according to dealership. I filed a lemon law claim and because it didn’t stall in the 58 miles the tech drove it tamara clear from gulf states determined there’s no evidence it stalls despite the local Toyota dealership having stall codes in their notes. Tamara clear also didn’t comply with arkansas lemon law and respond within 40 days. She took longer because she’s overwhelmed with cases according to her. Each time the vehicle totally shut off while driving it had master warning lights, charging system lights, oil fluid temp lights, all of it. I took pics but Toyota didn’t care about that either potentially fatal. And they expected me to drive around with a 6 year old in it.

When accelerating on highway check engine light started flashing and engine running rough. Pulled over and stopped vehicle turned off ignition. Restarted vehicle and light was out no longer running rough. Toyota dealer checked computer, cylinder #2 misfired 47 times & cylinder #3 misfired 3 times. They said they could not find what had created this problem and still charged me for engine diagnostics.

Driving full speed car suddenly slows and light on dash reads accelerator and brake pressed at same time, although my foot is nowhere near the brake. This is 3rd time it has happened, Toyota say's it doesn't come up as error on their computer.

My 2022 Tacoma has 1200 miles on it. While turning a corner I slowed down to make the turn when I pushed on the pedal to speed back up there was no response from the engine. It was dark outside and my dash lit up like the key was turned off. I kind of panicked and began pumping the pedal thinking I was out of gas. The fuel gage showed 3/4 an after 3 or 4 seconds it started back up. A week or so before I was at a red light when it turned green I tried to accelerate, the engine hesitated again like it was out of gas. I pumped the pedal but no response. After a few seconds it took off like a jet across the intersection and my foot was barely touching the pedal. Also while driving around 40-50 mph it feels like a stick shift vehicle that needs to be down shifted in a lower gear as there is a chunging feel which I think the transmission can't decide what gear to use. At those speeds it goes away if I manually move the shifter out of d into 4 or 5. Then it runs smooth. I took it to a Toyota dealer near my house on 1/3/2023 they said they could not duplicate the problem. I said it does not happen all the time. The tech said he reset my computer.

In may of 2018, I purchased a 2005 Toyota Tacoma. After arrival of new title, I received a safety recall notice from Toyota in regards to possible abnormal frame rust. I was instructed to take my Tacoma to nearest Toyota dealership for frame inspection. Prior to taking Tacoma in for frame inspection, I scoped the frame myself, and noticed abnormal rust forming throughout both sides of the frame. Therefore, I took my Tacoma to berge Toyota in mesa az. For further inspection and to have some other repairs done. Upon my arrival to berge Toyota, l informed the service writer of the repairs that were needed done and showed him the request from Toyota for the frame inspection. My vehicle was taken to a lift, where a brief frame inspection was performed with a flashlight only and I was told the frame was fine, and the rust I had witnessed during my personal inspection was within a standard tolerance of "normal". On September 12, 2022 my frame cracked in a horseshoe formation around the driver side motor mount, causing the engine to shift and sink approx. 3/4" towards the driver side. This frame failure has caused numerous problems to occur, such as the fan to continuously rub against the shroud, abnormal shifting of the transmission, ramping up and down of rpm's, vehicle's steering locks up and cannot be safely driven, leaving me without transportation after detailed inspection was performed on my Tacoma, the horseshoe crack around the motor mount was found and it was determined this was the source of all the problems. I contacted berge Toyota where I was informed by their service manager that berge Toyota was not certified to do the frame inspection or repair, and further explained the safety recall had expired and instructed me to contact Toyota to see what could be done. The question I had for the berge Toyota service manager, was if they were not certified to do the frame inspection, or repair why did they inspect my frame and inform me it was fine, when it wasn't?.

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The contact owns a 2012 Toyota Tacoma. The contact stated that while driving, the vehicle failed to exceed 45 mph. The contact stated that the check engine and traction control warning lights were illuminated. The vehicle was taken to an independent mechanic who informed him about a special service campaign: 20tc01. The vehicle was taken to the local dealer where it was diagnosed and determined that the air injection pump needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and informed him that the special service campaign: 20tc01 had expired. No additional assistance was provided. The failure mileage was approximately 85,000.

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The contact owns a 2017 Toyota Tacoma. The contact stated he noticed an oil leak on the garage floor. The contact stated no warning light was illuminated. The contact took the vehicle to the local dealer, where it was being diagnosed while filing the complaint. The vehicle was not diagnosed or repaired. Upon investigation, the contact associated the failure with NHTSA campaign number: 17v356000 (engine) however, the VIN was not included. The manufacturer had been informed of the failure. The failure mileage was approximately 120,000.