Engine And Engine Cooling Problems of Honda Accord - part 2

Head gasket went bad after only 107,000 miles . A lot of other Honda Accord owners have the same problem . Had to get it repaired . This should be a recall . Not safe to drive .

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Blown head gasket, white smoke from the exhaust. Loss of power. All warning lights on the dash started blinking. Dealer gave estimate of $6500.

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Head gasket failure.

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The contact owns a 2020 Honda Accord. The contact stated that after starting the vehicle the engine was hesitant to start and while driving the flashing check engine light had illuminated and the vehicle did not accelerate past 40 mph. The vehicle was slowly driven to the local dealer who diagnosed that the both the engine head gasket and water pump needed to be replaced. The vehicle was not yet repaired. The manufacturer was not yet contacted. The contact was informed that the VIN was not included in the NHTSA campaign number: 23v858000(fuel system, gasoline). The contact indicated that the vehicle had experienced that same failure listed in the recall. The failure mileage was 100,000.

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On 5-11-26, I was driving and the vehicle just stopped in the middle of the roadway. I couldn’t go in drive or reverse, just sitting with engine running. No warning lights, no noise, or anything that would let me know there was a problem. Cars was coming up behind me and in front. I called a towi truck, and a police officer. The officer pushed me off the road way, and the car was towed.

The engine stalled on the freeway. Has been having rough idles on cold start. Water gurgling/sloshing sounds coming from behind the dash on cold start. White, sweet smelling smoke periodically comes from the exhaust. Followed up with spark plug replacements. The vehicle still has all previous issues. Upon further inspection coolant reservoir is empty indicated a leak. No leaking fluid has been found. Suggests internal leaking. Issue is likely failing head gasket issue. Bissel v. American Honda CO. Has been suing over this issue. The head gasket is allowing coolant into the cylinders mixing with fuel causing misfires and stalling the engine. Extremely dangerous. Likely to cause accidents.

Vehicle: 2019 Honda Accord sport 1. 5l VIN: [xxx] mileage: approximately 122,497 my vehicle experienced a cylinder head gasket failure accompanied by coolant intrusion into the engine cylinders, injector-related issues, fuel trim failures, and cylinder misfires as diagnosed by an authorized Honda dealership. Prior to diagnosis, the vehicle experienced engine performance concerns associated with the misfire condition. The dealership documented historical misfire events and coolant intrusion into the combustion chambers. I am submitting this complaint because I am concerned that injector-related issues, engine misfires, coolant intrusion, and cylinder head gasket failures may represent a recurring condition affecting similarly equipped vehicles. Engine misfires and coolant intrusion can potentially result in reduced engine performance, loss of power, unexpected vehicle behavior, or engine failure while the vehicle is being operated. I request that NHTSA review this issue and determine whether a broader investigation is warranted. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I own a 2018 Honda Accord. While driving 30 mph the vehicle experienced head gasket failure/engine failure-trouble. The vehicle lost automotive power and decelerated to 5 mph. I was able to drive safely. The engine light was illuminated as well as all dashboard lights were illuminated. The vehicle was taken to the local mechanic immediately, where it was diagnosed with a misfire in cylinders #2 a computer code malfunction, and then taken to dealer immediately from there. Dealer ran and found same code. Found a blown head gasket. (charging me a diagnostic code for same reading. ) the vehicle was repaired privately as dealer wanted more than $1000. More to do the work. The manufacturer was contacted and assisted with the cost of the repair. The manufacturer confirmed there was no warranty coverage on the vehicle. I am out $4524. 66 in repairs due to an issue that Honda is aware of and had done nothing to rectify.

Vehicle was being driven on the highway when suddenly engine hesitated and started stalling. Speed was reduced from around 65mph down to the low 40s. Cars were stacking up behind and passing, causing potential hazardous conditions. Vehicle was taken to a mechanic shop and diagnosed with misfiring, after reading obd ii with many alerts coming on. Further diagnostics revealed cylinder head gasket was leaking coolant into engine, as shown by borescope images. This is a known problem on 2018-2020 Honda Accords with both 1. 5t & 2. 0 engines. The multiple alert messages started to come on a few weeks ago, but the engine hesitation and stalling just started this week. At first we suspected a 12v battery issue, but testing confirmed battery was at 12. 8v with no issues.

My car is having issues with the head gasket. My car check engine lights came on like a lit christmas tree with many warnings (emission system, brake system, departure, uphill and many other more). I took my car into capital Honda for a diagnostic on 5/4/26 and they informed that it was the head gasket that needs to be replaced. They are charging me $6000 to repair and do not have the funds to fix. Also I contacted Honda corporate since I read on google that I may qualify for the goodwill program and they said I didn’t qualify since I did not purchase warranty on the vehicle when I got it. I also do see that there is a lawsuit in place for this. I’ve kept up with my car maintenance and never had an issue till now. The car is running rough and it’s shaking a lot. It’s also loosing coolant from the reservoir.

Upon recent repairs completed by an official Honda licensed dealership for the fuel pump due to the related issue of stalling, misfiring, insufficient fuel economy and safety concern. My vehicle has continued to stall, misfire or idle extremely rough. Upon local investigation the error code p0203 and p0303 have populated as the most recent issue. No longer allowing me to drive the vehicle as it remains in limp mode. Previously error codes such as p0304 and p0302 as well as the associated error codes for the injector circuits indicating “open” have previously been detected intermittently and now permanently. In previous events within the last 3 months I have been stranded on highways due to the same stalling, misfiring and limp mode issue after I have previously been inspected by a Honda dealership and promised the issues would resolve. Unfortunately driving at respectable highway speeds and even local city limits my safety as well as my child and spouse’ safety have been put at risk due to the sudden deceleration caused by consistent misfires or limp mode effect which can cause me to have a collision with no warning. I have nearly been in 3 accidents due to this persistent issue.

The contact owns a 2018 Honda Accord. The contact stated that while driving the vehicle she noticed a power issue with the vehicle, thinking it had to do with the battery, the vehicle was misfiring. The vehicle was towed three times to the dealer, where it was diagnosed with a engine failure. The second tow was to a independent mechanic, and the third time the vehicle was taken to a dealer where it was diagnosed to have a engine gasket failure. The contact was informed that there was a coolant intrusion in cylinder #2. The contact was informed that the head gasket needed to be replaced. The vehicle was repaired. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 73,000.

All lights on head dash are on , all components are not working properly or effected because of this. (engine light brake light abs light tire light traction control light , sensors out all) while driving vechile reduces power does not operate randomly , have to pull over shut the car off and turn it back on. Has high vibrations lot of shaking, stauling. I have had it looked at with multiple shops and dealer . Everybody is playing a guessing game and can not pin point what exactly it is . Was told it was spark plugs and coils, alternator , fuel injectors. All have been repaired, and still have all lights on dash and still facing every problem listed after repairs. Been inspected by manufacturer. Say not been resolved was told if it wasn’t what was already fixed they don’t know and that this is very common right now . It first April 2026 (3) times. May 2 times 2026.

I am formally reporting a catastrophic engine failure involving the 1. 5l turbocharged engine in the current-generation Honda Accord. As a professional high-mileage driver, I am exposing a severe design defect that poses immediate safety risks. While driving on the highway, the vehicle suddenly exhibited severe engine shuddering, a sudden loss of acceleration, and a dashboard overheating warning. A certified Honda dealership inspection revealed a severe head gasket failure, confirming that engine coolant is actively leaking into cylinders 1 and 3, causing critical engine misfires. This is an inherent manufacturing defect, not normal wear. The engine runs under extremely high thermal pressures, and the factory head bolts fail to maintain a proper seal, allowing coolant to breach the combustion chamber. The safety implications are critical. A sudden loss of power and engine stalling at highway speeds forces drivers into high-risk emergency situations, drastically increasing the likelihood of collisions. Furthermore, the constant loss of coolant leads to sudden engine overheating, creating a severe fire hazard. This exact issue plagued the previous 10th-generation Accord, and it is now clear that Honda failed to implement a permanent engineering fix for the current generation. Representatives from Honda corporate have explicitly acknowledged to me that a manufacturer recall for this exact engine defect is currently under internal consideration. Because high-mileage vehicles reach the structural threshold of this component much faster than the average consumer, this case represents an early warning sign of a widespread, recurring failure. Nhtsa must initiate an immediate safety defect investigation into the current Honda 1. 5t engine powertrain to prevent catastrophic highway accidents and protect the public.

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I have a Honda Accord sport 2018 engine 1. 5l turbo(1. 5t) mileage- 97,776 I am reporting a suspected premature head gasket failure which is affecting my vehicle and my mechanic told me this has been going on for a while now with the Accords around my year model. On cold starts, the engine shakes and idles roughly for about 10-20sec. There has been some jerking during acceleration and prior stalling incidents. I have also experienced a blinking check engine light which indicates an active misfire condition. The vehicle has been maintained regularly and have proof upon request. The anti-freeze is leaking inside the cylinder 2 and 3 which is causing the misfires. The check engine light which is blinking is causing safety concern due to potential power loss and the risk of stalling while driving. This issue appears to be widespread among vehicles equipped with the 1. 5t but also around the years of my vehicle. Honda dealership brought it to my attention during the last recall, and my personal mechanic (independent service) diagnosed my car and mention the same thing. I believe this is a manufacturing or design defect and request that NHTSA investigate this issue for potential recall or required manufacturer remedy.

The car is consuming coolant but not leakage anywhere and has misfires at start, it has a blown head gasket.

The head gaskets and turbo supercharger goes out at a certain amount of miles.

The contact owns a 2019 Honda Accord. The contact stated that while driving 80 mph, the vehicle unexpectedly lost motive power and stalled with several unknown warning lights illuminated. Additionally, the check engine warning light was illuminated. The vehicle was able to restart; however, there was a cranking sound coming from the vehicle. The contact stated that the failure had reoccurred several times while driving. A mobile mechanic inspected the vehicle and cleared the warning lights. The mobile mechanic retrieved dtc: p0078 (fuel rail pressure failure). The vehicle was not repaired. The vehicle was later taken to the dealer, but it was not diagnosed or repaired. The contact was informed that the failure could not be duplicated and that no fault codes were found. The manufacturer was made aware of the failure. The approximate failure mileage was 97,000.

I am writing to formally report a recurring and serious mechanical issue involving the head gasket in the 2018 Honda Accord equipped with the 1. 5l turbocharged engine. This issue appears to be widespread and poses both safety and financial concerns for vehicle owners. In my experience, the vehicle began exhibiting symptoms consistent with head gasket failure at relatively low mileage. These symptoms included unexplained coolant loss, engine overheating, white exhaust smoke, rough engine performance, and in some cases misfires. Upon inspection and diagnosis, the root cause was identified as a failed or failing head gasket. This failure is particularly concerning because it occurs prematurely and without warning, despite regular maintenance and responsible vehicle use. A head gasket is a critical engine component, and such failures can lead to severe engine damage, sudden loss of power, and unsafe driving conditions—especially if overheating occurs while the vehicle is in motion. Additionally, the cost of repair is substantial, often ranging from several thousand dollars, placing an unexpected financial burden on owners. Many drivers, including myself, rely on these vehicles for daily transportation, and this defect undermines the reliability that is expected from a modern vehicle. There is growing evidence through consumer reports, online forums, and mechanic feedback that this is not an isolated incident but rather a pattern affecting multiple 2018 Honda Accord 1. 5l vehicles. The consistency of these reports suggests a potential design or manufacturing defect related to the engine or head gasket system. Given the safety implications and frequency of occurrence, I respectfully request that the NHTSA investigate this issue further to determine whether a recall or manufacturer accountability action is warranted. Addressing this defect would help prevent further financial hardship and reduce the risk of unsafe driving conditions for affected vehicle owners.

Blown head gasket. This appears to be a widespread issue amongst all 10th gen Honda Accords due to a poorly designed engine by Honda.

1) the cylinder head gasket was “blown” and leaking coolant into cylinder 2. 2) as I was merging into traffic, my vehicle suddenly lost power and entered limp mode and the check engine light began flashing. 3) yes, serviced at the dealer and confirmed 4) inspected by dealer 5) no.

The vehicle began experiencing engine performance problems including rough idling, vibration at startup, and a check engine light. Diagnostic testing indicated a misfire condition. Further inspection suggested coolant intrusion into the engine, consistent head gasket failure. The issue appears to involve the engine cooling and combustion sealing system (head gasket), which is a critical internal engine component. When the problem occurs, the engine runs poorly and may lose power, increasing the risk of stalling or failure while driving, which could create a safety risk in traffic. The problem was confirmed through diagnostic testing at a service center. Compression testing and engine diagnostics were performed, and results pointed toward internal engine issues. No repair has yet resolved the underlying problem. Warning indicators included the check engine light, engine vibration, and rough running conditions, which appeared prior to diagnosis. The issue has been observed consistently since symptoms first began and has not been fully resolved.

Vehicle drove normally in the morning commute. In the afternoon commute it started normally and as I approached highway speeds the alarms started showing up. The brake, hill descent system, abs, critical failure. The vehicle started losing speed and could not accelerate. Losing speed at highway speed was alarming and finally all dashboard went red with alert to stop driving and engine heating warming. Speed was in the range of 35-40 mph on a highway rated 70 mph. I had to pull over and tow car to dealership.

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While driving at highway speeds, the vehicle experienced a sudden jerking and a catastrophic loss of motive power (limp mode). Simultaneously, multiple safety systems failed, including the collision mitigation braking system (cmbs), adaptive cruise control, and road departure mitigation. The vehicle became a road hazard in active traffic. A certified Honda dealership technician inspected the vehicle and confirmed a premature head gasket failure with coolant intrusion into cylinders 2 and 3. The engine is non-drivable and the vehicle is at 84,000 miles. Despite the documented nature of this design defect and its current litigation, american Honda motor CO. Has denied any assistance. The vehicle also has an open safety recall (24-009) for a fuel pump failure which presents identical safety symptoms.

I own a 2018 Honda Accord ex-l with a 1. 5l turbocharged engine. The vehicle began overheating while idling and at low speeds, cooling down when driving at higher speeds. I brought the vehicle to a Honda dealership where a pressure test confirmed internal coolant loss with no external leaks found. The dealership diagnosed a head gasket failure and recommended replacement at a cost of $8,941. The component that failed is the head gasket on the 1. 5l turbocharged engine, allowing coolant to leak internally into the cylinder. My safety was put at risk as the vehicle overheated while in traffic during normal driving conditions, creating a risk of engine failure, loss of power, and potential fire. The problem was confirmed by a certified Honda dealership via cooling system pressure test. A goodwill request has been submitted to american Honda on my behalf. Warning lights appeared on the dashboard twice indicating to turn the vehicle off immediately due to overheating. Symptoms first appeared in April 2026. I am aware of NHTSA TSB mc-10234626-0001 and an active class action lawsuit bissell v. American Honda motor CO. Case no. 3:24-cv-02286 addressing this exact defect on this exact engine.

Driving in a construction zone. Two lane highway and my car immediately went into limp mode. Left me and my children stranded on the side of the road while semis and cars driving 65 mph went past very close to us. Honda knows these Accords have head gasket issues and it is unsafe to be driving them.

The vehicle began to overheat while traveling at fair speeds (35mph) on state road. Thermostat reading increased to h and vehicle note read “vehicle overheating” please park car. Car temperature read over 104 degrees fahrenheit. No check engine light present. Vehicle was parked and turned off to cool.

On April 14th, 2026 we were driving on the road, the car overheated. We shut it off, sat for a few minutes. Started driving again and had to sit in roadwork, within 1 minute the car started to overheat again. We pulled into the gas station, checked coolant levels, all fine. We let the car sit for 20 minutes or so, we tried to turn the car on and the engine started sputtering and all dash lights came on. We got the car towed to a shop, they looked over the car and told us that coolant had leaked into the cylinders and the head gasket was blown but there was no leak in any of the coolant areas. They quoted us over $7000. So we are out of a car while it’s at the shop waiting to get fixed.

Head gasket failure, over heated randomly putting myself and kids unsafe and at risk for accident. Been confirmed by independent service center. Not inspected by police or insurance. Had cylinder misfire a week prior.

Vehicle has only 48,037 miles. Diagnosed with bad cylinders 1 and 2 . Coolant also contaminated cylinders. I took vehicle to autonation Honda corpus christi twice before the diagnosis. Vehicle was running rough. When first turn on engine especially when it is cold, there's a lot of engine shakes. Same as in when on idle. Technician said he could not duplicate problem but did not perform diagnostics. Vehicle was released. New coolant was added because tech said it was low, brake fluids flushed, new sway bars were installed and wheel alignment performed. After a week, all engine lights came on while driving at 30 mph. Stopped the vehicle and get towed to the dealership. Diagnostics: blown head gasket, bad cylinders and needed new engine. Did a research and these were the Accord problems that were never addressed by Honda. Problems also included turbos and fuel injectors.

Getting 2 cylinder missfire. Possibly connected to head gasket. Radiator fluid dissolved quickly.

I have a misfire and all the warning lights came on. This is due to Honda having the fuel pump recalled that has damaged all the fuel injectors. It took them almost a year to get the recall parts and now myself and a ton of others are now having to pay for these fuel injectors to have a car that doesn't stall and die on the road. Honda should have taken care of this knowing it damaged the fuel injectors.

The dashboard on the vehicle lights up with multiple error notifications. This puts the vehicle in limp mode. Indicates emissions errors, check engine, lane mitigation, brakes, control system. Per different customers this fault is being caused by either faulty fuel injector, miss fire, bad ignition coils, damage head gaskets, or turbo mechanism faulty. My vehicle has 70,000 miles and others in the chat have less miles that are having similar problems. Head gaskets should not fail so soon with proper maintenance. My obd2 scan code is miss fire which could indicate faulty spark plugs, coil, injector or headgasket. For a vehicle at 70,000 miles this shouldn't happen. Vehicle has been maintained as the manufacturer recommendations.

First I had to replace all injectors and now I have a cylinder 4 misfire and need a head gasket job that’s being quoted at $5000!!! I’ve done all maintenance and upkeep and my car looks new. I’m in Honda groups and this is happening to everyone with the 10th generation Accord that’s 1. 5t engine. This should be a recall! I thought Hondas were the best. This is ridiculous and the car has no life. It’s literally in limp mode.

My car started blinking the check engine light when I am going 40-50 mph. Got the vehicle scanned and the code showed “misfire cylinder 4” so I replaced the spark plugs and the coil on cylinder 4. Vehicle ran fine for about 3 weeks. Same issue happened again. I did research and found that alot of Honda vehicles with the 1. 5 turbo has had head gasket issues. I took it to a mechanic and got it diagnosed. There was no coolant when they checked as well as put the camera down cylinder 4 and seen fluids in the cylinder.

See all problems of the 2023 Honda Accord 🔎.