general problems of the 2018 Honda Accord - part 1

Unknown. I was informed that my fuel pump is faulty and as a result my engine needs to be replaced.

I am not sure what component failed. My lights on my dash will not go off. I have done everything I was told to do, ever down to a new battery. & they will not go off. My car will not go over a certain speed. Before this, there were no problems. No warning lights & it was driving perfectly fine. Please help. When I researched this issue, I noticed a million others having the same problem. There has to be a recall on these Honda’s. Let alone, just a simple answer as to why this is happening.

I am reporting a recurring safety and mechanical issue with my 2018 Honda Accord 1. 5t, which currently has approximately 128,900 miles. My vehicle has been experiencing shaking/rough operation and multiple warning lights while driving. Diagnostic scans have shown p0301 – cylinder 1 misfire and u0401-68. The ignition coils were replaced with original/oem parts in an attempt to correct the issue. After the repair, the warning lights went away temporarily, but within several days the same warning lights and symptoms returned, and the vehicle again showed the p0301 cylinder 1 misfire code. I am concerned because the vehicle continues to shake and operate abnormally despite the repair. I have learned that Honda has addressed cylinder-head-gasket concerns involving certain 1. 5l turbocharged Accord vehicles, which may cause engine misfires. However, I have not had my vehicle diagnosed with a defective head gasket, so I am not claiming that this is definitely the cause of my vehicle's problem. When I checked my VIN through NHTSA, it showed 0 unrepaired recalls. I am submitting this complaint so that NHTSA has a record of the recurring problem and can determine whether my vehicle's condition may be related to a broader safety defect affecting 2018 Honda Accord 1. 5t vehicles. I am concerned about the possibility of the continued misfire causing loss of engine performance, loss of power, stalling, or otherwise making the vehicle unsafe to operate if the underlying problem worsens. I have photographs of the diagnostic scans documenting the codes and records showing the previous repair.

The contact owns a 2018 Honda Accord. The contact stated that on several occasions while driving, the vehicle lost automotive power with several unknown warning lights illuminated. The vehicle was taken to an independent mechanic where it was diagnosed, and the contact was informed that the head gasket was allowing coolant to leak into the cylinders which caused the vehicle to lose automotive power. The contact was informed that the head gasket needed to be replaced. The manufacturer was not notified of the failure. The failure mileage was 150,000.

Car was overheating while driving. Received warning signs on the dash to pull over and turn car off immediately. Which I did. Very dangerous to do, especially with my three year old on a 90° summer day. I felt fear for my life while waiting on the side of a busy road during rush hour for the engine to cool and figure out what to do. Here the head gasket blew. A defect in the engine that Honda knows about. As a matter of fact, they have lawsuits for this exact occurrence.

Vehicle dashboard lights up with multiple warnings, power loss/limp mode in traffic and while driving. Dealership said it’s a very common problem but Honda refuses to make a recall. Technician says it is most likely caused by faulty fuel pump which is already recall that caused damage to the injectors.

While driving on a bridge at under 20 mph, the vehicle's head gasket failed, causing the engine to overheat and coolant to leak from within the engine. The vehicle threw diagnostic trouble code p2601 and immediately entered "limp mode," severely cutting engine power and vehicle speed. Because this happened on a bridge with no shoulder to safely pull over, the sudden loss of power created a serious safety hazard — the vehicle could not maintain a safe speed or keep pace with surrounding traffic, increasing the risk of being struck by other vehicles. The vehicle was taken to a tampa Honda (11000 n florida Ave), where the failure was confirmed to be a blown head gasket that allowed coolant to leak into the engine cylinders. The head gasket and related components were replaced at a cost of approximately $5,000 to restore the vehicle to safe operating condition. The failed component is no longer available for inspection in its failed state, as replacement was required to make the vehicle drivable. No dealer, manufacturer representative, police officer, or insurance adjuster has inspected the vehicle; only at tampa Honda facility that performed the repair diagnosed and confirmed the head gasket failure. Prior to this incident, no warning lamps or symptoms were noted — the p2601 code and limp mode activation occurred simultaneously with the sudden overheating and coolant loss, with no advance warning. This failure is consistent with a widely reported defect pattern among Honda vehicles with similar engines, where the head gasket fails prematurely and allows coolant to enter the cylinders. Honda has not issued a recall or acknowledged a manufacturing defect despite numerous consumer reports describing the same failure mode.

Engine making noise when start, took to dealer, it was diagnose with head gasket gone. All services done from dealer since purchased and now dealer is saying gasket replacement.

The head gasket is leaking coolant into cylinder #2. The car has misfired and has not been operable. The problem has been confirmed and diagnosed through the dealer. There were no prior warning lights to the issue until the car completely became inoperable from one day to the next.

The contact owns a 2018 Honda Accord. The contact stated that while driving, the vehicle failed to exceed 35 mph. Several unknown warning lights were illuminated. The contact pulled over to the side of the road and restarted the vehicle; however, the failure persisted. The vehicle was taken to the dealer, where it was diagnosed with a blown head gasket. The vehicle was not repaired due to the cost. The dealer was in the process of contacting the manufacturer for assistance. The manufacturer had not yet been directly notified of the failure by the contact. The failure mileage was approximately 103,000.

While driving, my vehicle began shaking/rough running and the check-engine light came on. Multiple warning lights and system warnings appeared on the dashboard, including the brake system, steering, traction control, and tpms warnings. The vehicle experienced noticeable shaking and reduced/abnormal performance. I am concerned that this may be a safety-related defect because multiple vehicle systems are being affected.

2 weeks ago. All of my warnings and lights for my car came on. We undid my battery, charged it and did it again. The lights went away and about 3 days ago they came back on. Now my car is overheating and the system is reading wrong.

The car suddenly stopped speeding up on the highway, and the check engine light began to flash. There were no warning signs before this occurred. I was driving with my kids when I had to think and move quickly off the highway because there were other cars behind us. The car would only roll because it wouldn’t speed up. Yesterday, on August 17, the car was towed to a Honda dealership, where they ran some tests. They found out that the car has a blown head gasket.

All warning lights came on whilst driving. Scheduled a diagnostic at the dealership. Dealership confirmed the head gasket had blown due to the design flaw of the coolant pathway between cylinder #2 and #3. This is a common problem with this engine. Vehicle is out of warranty. Now faced with a big repair bill.

I own a 2018 Honda Accord sport 2. 0t that has been consistently maintained through authorized Honda dealerships. On July 30, 2026, at 135,968 miles, I took my vehicle to nalley Honda for a blind spot information system warning and maintenance. The dealership performed a multi-point inspection and documented the spark plugs, cooling-system hoses, and fluid leaks as passing. I authorized approximately $1,231 in repairs and maintenance. Only days and approximately 202 miles later, multiple warning lights appeared. I returned to the same dealership. At 136,170 miles, Honda documented dtc p0302 (cylinder #2 misfire). The injectors passed an air-fuel test. The technician then noted pressure releasing from the cooling system despite low coolant temperature. A head-gasket leak test was performed and failed. Honda diagnosed a blown cylinder head gasket and recommended approximately $4,906 in repairs, including spark plugs that had passed inspection only days earlier. I am concerned about the sudden failure of a major engine component in a well-maintained vehicle, particularly so soon after a Honda dealership inspection. I have learned that other Honda Accord 2. 0t owners have reported premature head-gasket failures. A failed head gasket can result in misfires, coolant loss, overheating, reduced engine performance, and potential engine damage while driving. I am requesting that NHTSA review this complaint along with similar complaints involving Honda Accord 2. 0t head-gasket failures to determine whether a defect trend exists and whether an investigation is warranted.

I am reporting a safety concern involving my 2018 Honda Accord. I purchased my vehicle used in January 2024 at approximately 90,000 miles and have kept up with the recommended maintenance during my ownership. At approximately 120,000 miles, a Honda dealership diagnosed head-gasket failure with coolant intrusion involving cylinders 3 and 4. Before diagnosis, the vehicle experienced rising engine temperature while idling, coolant loss, jerking during acceleration, numerous warning lights, and severely reduced acceleration. The problem progressed to loss of power and stalling while driving and slowing/stopping, requiring me to place the vehicle in park and restart the engine to continue driving. The vehicle also developed unstable rpms and engine surging while in park. Honda performed a cooling-system pressure test and borescope inspection and confirmed coolant intrusion. Head-gasket replacement cost approximately $5,000. I contacted american Honda (case #16533411), but goodwill assistance was denied because the vehicle is outside warranty and Honda stated it had no Honda-dealership service history. I am reporting this because the head-gasket failure resulted in loss of propulsion and stalling while operating the vehicle, creating a serious safety concern.

Blown head gasket.

I bought this car used and I've only had it two months and the head gasket has blown. I didn't know the 10th generation had bad gaskets and turbos I found that out after I purchased the car. Literally everyone I know now that had one the gasket or turbo went out. Not only that it was a recall on my fuel pump no one told me about until I added it to my insurance and they told me. Yes Honda dealership fixed it for free now it needs to be a recall on these turbos and head gaskets. It's not fair. I wouldn't recommend Honda to no one now and they say Honda last a lifetime. Thats not true quit making the 10th generation and take it off the market.

My Accord reported multiple warnings at engine start up (check engine light, warnings about cruise control, etc. ), and the engine ran rougher than normal. I immediately drove to a Honda dealer for service. The Honda dealer, checkered flag Honda of norfolk, virginia, diagnosed a blown head gasket in cylinder 2, which allowed all coolant to drain into the engine. They also indicated that fuel injectors and spark plugs were compromised and required replacement. The vehicle has approximately 75,000 miles, has received regular maintenance, and was operated in normal driving conditions.

At 92,156 miles, my 2018 Honda Accord touring (1. 5l turbo) suffered a catastrophic structural head gasket failure that caused dangerous engine instability while driving. The failure first manifested with a sudden eruption of multiple warning lights across the dashboard while the vehicle was in motion. Following a subsequent startup after a doctor's appointment, the vehicle began shaking violently due to immediate engine misfires. Driving a vehicle that is actively shaking and suffering from cylinder misfires in live traffic creates an unpredictable stall risk and an immediate safety hazard to myself and surrounding motorists. A certified technician at ourisman Honda of woodbridge pressurized the cooling system and physically confirmed that engine coolant is actively leaking directly onto the engine cylinder walls (cylinders 1 and 2) due to a structural head gasket failure. This is a severe design defect that causes unexpected powertrain disruption on public roads.

Major safety issue will lead to loss power and visual hazard for cars on road. 2018 Accord 1. 5 has a coolant leak in cylinder 2 and three via scope verified , shop said it needs a headgasket. It had misfire codes on scanner and shakes when start up. This will be potentially big issue if motor blows up on free way from overheating. Honda corporation won’t do a replacement for the good faith because the car has not been to “Honda” for service.

When going 55 mph car started leaching back and forth aggressively followed by loss of engine power. Car decelerated to a max of 20 mph and would not accelerate past that. This caused the potential of getting rear ended in traffic. When I took it to the mechanic, they told me that my first cylinder was misfiring and that my fuel injector was the issue. A warning light only came on after the car decelerated to a low speed.

The contact owns a 2018 Honda Accord. The contact stated that upon starting the vehicle, the engine and tpms warning lights illuminated. The message that the vehicle should not be driven was displayed. The lane assist feature was inoperable. The contact disconnected the battery, and the warning light disappeared. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 55,000.

It started with multiple lights glowing on my dash. Then progressively the car felt sluggish and ultimately while driving to church in July the car cut off while I was making a turn. Some kind gentleman pushed my car helping me get out the intersection.

Turbo has gone out and it's several thousand dollars to get fixed and will eventually affect the overall lifespan and performance of the engine if not repaired in a timely enough fashion. There is no recall for this specific issues even though thousands of Honda Accord owners are dealing with the same failure/repair and there are no offers of goodwill assistance from the dealership or manufacturer. The dealership assured that engine failure is inevitable without a turbo replacement and they can't determine the extent of the damage that's already been done to the engine since the turbo showed signs of failure.

At approximately 159,000 miles, my vehicle exhibited multiple dashboard warning lights simultaneously including abs, vsa, eps, tpms, brake, acc, cmbs, and rdm warnings along with engine misfire codes. Borescope inspection confirmed coolant intrusion into cylinder 1. Cylinders 2, 3, and 4 were dry. Diagnosis confirmed head gasket failure consistent with the known design defect in the 1. 5l turbocharged I-vtec engine related to inadequate head bolt clamping force versus boost pressure. This failure is the subject of active class action litigation (bissell v. American Honda motor CO. , case 3:24-cv-02286-ajb-mmp). Vehicle requires full head gasket replacement at my own expense estimated at $900+. No recall has been issued despite widespread reports of identical failures across 2018-2022 Honda Accord 1. 5t vehicles.

I own a 2018 Honda Accord lx 1. 5t. The vehicle has developed an intermittent hard-start condition after sitting overnight. The engine cranks for approximately 5–6 seconds before starting and runs very rough for the first 2–5 seconds before smoothing out. Warm restarts are normal. While driving, the vehicle hesitates and stumbles during acceleration, is slow to build rpm, and fuel economy has noticeably decreased. During one hard acceleration event, the vehicle lost power and the check engine light flashed. I also observed that if I turn the ignition on and allow the fuel pump to prime for several seconds before starting the engine, the vehicle starts noticeably quicker than if I start it immediately. This makes me concerned that the fuel system may not be maintaining proper fuel pressure after the vehicle sits. Because of the hard starting, hesitation, intermittent loss of power during acceleration, and the improvement after allowing the fuel pump to prime, I am submitting this complaint for investigation because these symptoms could create a safety risk when entering traffic or accelerating.

There is a hole in the engine block and it happed while I was driving, people could’ve been hurt on the road because of this mechanical failure. Vehicle has only been inspected by a private mechanic who found the problem. There was no warning of this besides a add air to tire warning.

Head gasket failure, coolant leaking into cylinder 1 and 3. Car stuttering when try to accelerate and has trouble getting up to speed on highway. Coolant mixing with oil, rear main seal leak. It is available for inspection currently at dealership where it was diagnosed. My safety was jeopardized because I barely can accelerate on the highway causing cars to tail gate me and potentially crash into the back of me. The issue has been confirmed by Honda service department as a faulty head gasket. There were no warnings signs, no overheating nor any smoke indications of a faulty failing head gasket only stuttering at low spreads and not being able to accelerate. The problem first appeared a day or so before I brung it to Honda for a diagnosis. These are well none litigated issues with these head gaskets and are safety concerns that they’re failing to address.

A lot of warning sides are on the dash , has been coming on every since the mileage hit 100k.

My 2018 Honda Accord ex's transmission failed after just 88,000 miles. I have owned 3 Hondas and I never had this experience. All bought a Honda world in westminster, California. I did some research and spoke to a private transmission service company, leon's transmissions, and they told me that in 2018, Honda replaced the old transmission they were using with a cvt transmission. They said that clients who bought Honda Accords in 2018 have had the transmission fail on them between 80,000 - 100,000 miles. They also said that Honda knew that the cvt in 2018 was a bad transmission but instead of alerting clients, they "chose" to work on improving the cvt transmission for future vehicles. I have taken in my Honda regularly for service which is about 3 times a year. I just had it serviced on may 29, 2026 with an oil and lube, a new air and cabin filter, and brakes. Two months later, July 7, 2026 I discovered a "shimmy, grunting" sound when I started it. No warning lamps, messages on my dashboard. I took it into my dealership that I have used since 2002. They told me the transmission had failed, that the warranty was only up to 60,000 miles and that to replace it would cost me $9000. 00 dollars. No discounts, no loyalty help, nothing. I am a retired senior and I cannot afford this cost. My dealership said that the car is not safe to drive, but to take it to carmax and see if I can get anything for the car. What nerve. I believe I should be given some compensation or a new transmission for this gross negligence on Honda. I took in my car for regular service, did not put too many miles on the car in the last 8 years (just 88,000) and feel that they should have checked the transmission each time I serviced the car or alerted me via a recall about the transmission early on.

My car keeps losing power suddenly! sometimes it has even started to stall while driving. Also the electrical menu has tons of errors and isn't working. There are several recalls on Honda Accords for the fuel pump and the vehicle assistance module but my VIN doesn't show up.

At 157000 miles I am being forced to replace my fuel injectors and a blown head gasket on my 2018 Honda Accord. As I am sure you are aware, this is an ongoing issue with this model specifically, and yet no recalls have been issued. Please understand that this was a sudden failure as I had no signs there was an engine issue before being forced into limp mode while driving on the freeway. I also had my mother in the car when all of a sudden, my car could not go above 25 mph while in traffic. Thankfully we could pull over safely and were not hurt or killed. All the lights/warning messages on the dash became illuminated before finally settling on an “emissions problem. ” all other warning symbols remained lit. My thermostat started to rise dangerously high especially while idling. I cannot stress how terrifying or dangerous this was. After a diagnostic last week at a Honda dealership, I was told I have a cylinder 3 misfire and that after they pressurized the system, they found a coolant leak which is due to the head gasket. I was also told my fuel injectors (which were just replaced in sept. 2025) are already in need of replacement as well, but that I would only be charged parts for this repair as it would be included with the labor of having to tear down the engine. Despite this, I was still provided an estimate with the full cost of the fuel injectors as well at nearly $1600. My grand total for these repairs came to $6895. I was told at most it would be $6300 – not that that is much of a discount on an issue that should have been recalled. Again, this is a known design flaw and not a result of my neglect.

Two premature blown head gaskets and warped cylinder heads, the first at 95,000 miles, while driving on the freeway the car started to shake and all warnings lights came on, luckily I was not far from the dealership and took it right in. The second at 137,000 miles. The first repair was done at Honda of concord dealership and was covered under the extended warranty. Warranty has since expired and the issue has happened again. This time Honda is recommending that I replace the engine, while denying my request for a goodwill repair. The dealership quoted me $10,000 for repair, and my car is maybe worth only $13,000. Honda knows that there's a design flaw with the 1. 5l engines, but won't take any accountability for it.

Blown head gasket.