2018 Toyota Tacoma: misfire or rough idle

Filed Dec 5, 2022 · Engine, Fuel system · MD

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.

Filed Dec 17, 2021 · Engine · TX

Driving down the road and was passing a truck. CEL and TRAC OFF lights came on and truck went into limp mode. Could not accelerate and truck was slowing down. Had to pull over turn truck off and restart and it ran fine until I duplicated the passing and push on the accelerator. Had codes check and was showing misfires on cylinder 3. I changed the spark plugs and checked the coils which were good. Next day was I was driving and truck had the same problems and eventually died and would not restart. I took it to the toyota dealer and they checked numerous things and had found #1 cylinder intake value was leaking. They suggested to replace the entire motor at a cost of $12,000. I declined and took it to another mechanic to see if the head just needed replacing. In that time I found others were having the same problem and it was a malfunctioning part in the intake manifold. https://www.tacomaworld.com/threads/2016-tacoma-in-limp-mode-fixed.659782/ This is the forum were I found the problem and it fixed it. A piece of it was holding my intake valve open and that was the cause of it not starting and the leaking valve. I went and showed the Toyota dealer and they were not aware of that problem. I would like it to get posted so others don't get con into putting a new motor if it has the same problem. It seems everyone that has this issue is around 17 and 18 year models and all ranges of mileage.

Filed Dec 7, 2020 · Engine, Transmission · 8,685 miles · MA

My 2018 toyota tacoma pick up truck while driving especially on the highway has a skip or hesitation that randomly happens it's like a misfire in the engine it's much more noticeable when I haul my camping trailer up hills took it to the dealer a number of times in the last time the senior tech took it for a drive and acknowledged that there was an issue as l had explained the report says he called toyota and that is a defect on the 2018 v6 toyota tacoma's is a very dangerous it feels like it's going to stall at times especially if you're hauling a trailer that's over 5000 pounds uphill

Filed Oct 17, 2020 · Fuel system · MS

This was a recall dated january 13, 2020. I feel due to the nature of this recall that a remedy should have happened by now. But recall incomplete as of 10/17/2020. Summary: the subject vehicles are equipped with a low-pressure fuel pump which may stop operating. If this were to occur, warning lights and messages may be displayed on the instrument panel, and the engine may run rough. This may result in a vehicle stall, and the vehicle may be unable to be restarted. Safety risk: if a vehicle stall occurs while driving at higher speeds, this could increase the risk of a crash.

Filed Sep 24, 2020 · Fuel system · 37,000 miles · FL

The manufacturer has exceeded a reasonable amount of time for the recall remedy (see below). My truck has been sitting in my driveway (per the instruction of autonation fort myers) since march 10, 2020. I was provided a rental through autonation in fort myers, fl (at their expense) until the remedy was available to consumers. I was advised that the remedy would be available at the end of march, beginning of april. Then I was advised that it wouldn't be until the end of september, middle of october. Meanwhile, my truck is sitting in my driveway accumulating additional issues because I was instructed not to drive it. I was also advised that multiple vehicle types have already been remedied and that tacoma's have not. Jan 13,2020 manufacturer recall number: 20tb02 the federal safety agency recall number: 20v012 recall status: recall incomplete, remedy not yet available summary the subject vehicles are equipped with a low-pressure fuel pump which may stop operating. If this were to occur, warning lights and messages may be displayed on the instrument panel, and the engine may run rough. This may result in a vehicle stall, and the vehicle may be unable to be restarted.

Filed Jul 16, 2020 · Fuel system · CA

As of january 13th, 2020 toyota issued the following recall information about my 2018 toyota tacoma (manufacturer recall number20tb02/the federal safety agency recall number20v012): "the subject vehicles are equipped with a low-pressure fuel pump which may stop operating. If this were to occur, warning lights and messages may be displayed on the instrument panel, and the engine may run rough. This may result in a vehicle stall, and the vehicle may be unable to be restarted. Safety risk: if a vehicle stall occurs while driving at higher speeds, this could increase the risk of a crash." I frequently checked the status of this recall (both by checking the federal safety agency site and calling my local toyota dealerships) and as of today, july 16th, 2020, more than half a year after the recall was announced, this recall remains unaddressed and is listed as "recall incomplete, remedy not yet available" on the federal safety agency website. Given the safety risks, 6+ months is an inappropriately long time not to offer consumers a remedy while we are still driving our vehicles. This is my only vehicle and I do not have the option to avoid driving it while I await a safety remedy.

Filed Apr 21, 2020 · Fuel system · 25,000 miles · FL

Runs rough, feels like it's going to stall when I accelerate. Sporadic

Filed Jan 30, 2020 · Acceleration, Fuel system · 48,000 miles · AL

My 2018 tacoma had a check engine light come on, then the trac light came on. Cruise control quit working and engine runs rough. When driving, vehicle begins to lose acceleration and check engine light begins flashing. When idling, engine runs with with a miss, and when driving, at lower speeds the vehicle shudders as if its losing power.

Filed Jan 15, 2020 · Electrical, Engine · 54,000 miles · ID

There have been several times I have gone out to my tacoma that I can hear the fuel pump running on it's own. I heard it running one evening, while no keys were inserted and the truck was locked up. The truck runs rough most of the time and I have problems with it stalling and not wanting to start back up again. It will take 3 to 4 times turning the truck over before it will reluctantly will start up. Also the traction control button does not work anymore and the differential button when pushed on does not engage the differential. All of these issues have started at different times. The fuel pump running when no one inside it has just the month been noticed as well as the buttons. The stalling started to be noticed about 4 months ago and I at first thought it was due to it being not broke in or me not giving it enough gas, but it is almost every time now when I back up or go forward it can stall.

Filed Nov 13, 2019 · Engine, Transmission · 5,000 miles · NC

Vehicle exhibits a stumbling condition and loss of power when applying heavy throttle to accelerate from a stop or slow vehicle speeds. While driving under moderate throttle at approx. 45-60mph the vehicles engine feels as if it is misfiring and not running on all cylinders with a heavy delay in throttle response when the throttle is applied to increase vehicle speed. Issue has been brought up with multiple toyota dealerships and also with toyota corp customer service. There is a software flash to correct this issue but toyota refuses to offer it to customer with manual transmissions because their tsb's do not list that manual trans. There is a 145 page forum thread regarding this issue where customers are resorting to flashing their trucks on their own to avoid the dangerous driving condition these trucks are exhibiting. Here is a link to the thread: https://www.tacomaworld.com/threads/software-update-for-the-manual.562550/ tsb 1 listing condition: https://toyotatalk.com/wp-content/uploads/2018/07/tacoma-t-sb-0062-18.pdf tsb 2 listing condition: https://toyotatalk.com/wp-content/uploads/2018/07/tacoma-t-sb-0058-18.pdf