Service Bulletin - Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
full bulletin at NHTSA ↗2019 Honda Accord engine problems
moderate Owners of the 2019 Honda Accord have filed 86 NHTSA complaints about the engine, typically surfacing around 104,000 miles at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Failure mileage
Complaints
86
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2015 Accord | 45 |
| 2016 Accord | 21 |
| 2017 Accord | 34 |
| 2018 Accord | 350 |
| 2019 Accord (this page) | 86 |
| 2020 Accord | 41 |
| 2021 Accord | 18 |
| 2022 Accord | 18 |
What stands out
Owners have filed 86 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC rich criteria, resulting in the vehicle experiencing drivability concerns. This issue is most common in regions with cold weather.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2019 Honda Accord, particularly the 1.5L turbocharged models, is showing widespread and severe head gasket failures well below normal life expectancy. Owners report head gasket breach at 37,000 to 146,000 miles—most commonly in the 70,000–112,000 range—causing coolant to leak directly into combustion chambers and triggering misfire, rough running, and complete loss of power on highways.
The failure pattern is consistent: all dashboard warning lights illuminate together ("Christmas tree"), check engine light flashes, and the vehicle either enters limp mode (dropping from 70 mph to 35 mph with no power response) or stalls outright. Multiple owners report this happened while driving at highway speed with no prior warning—no overheating alert, no dripping coolant, nothing—making it a sudden safety hazard. One owner's 17-year-old daughter experienced three separate stalls and nearly crashed; another owner was nearly hit by an 18-wheeler after sudden power loss in traffic.
Owners also report fuel system problems. A recall (NHTSA 23V-858) addressed fuel pump impeller deformation, but several owners describe worsening drivability problems after the recall repair was completed, including sputtering, hesitation, and eventually failures in the high-pressure fuel pump. One owner was told the problem was "very common"—dealers claiming to see "hundreds" of these failures monthly.
Repair costs are substantial: $3,700–$7,640 for head gasket work, often including machine work on the cylinder head. Honda's goodwill program has denied most claims, citing warranty expiration or lack of maintenance. Owners note Honda issued internal investigation memos in April 2023 and August 2024 acknowledging this exact failure on 2018–2022 Accords with the 1.5L engine, yet no recall has been issued. A federal class action lawsuit is underway (Bissell v. Honda).
Same Honda Accord engine reports on nearby years: 2016 · 2017 · 2018 · 2020 · 2021
Failure modes owners describe
Blown Head Gasket with Coolant Intrusion
Head gasket failure allowing coolant to leak into cylinders (most commonly cylinder 2, 3, or chamber 1), causing misfire, rough running, overheating, and loss of engine power. Occurs with little to no warning in many cases and happens at abnormally low mileage for this defect (37,000–146,000 miles reported). Confirmed by borescope, compression testing, and combustion leak tests at multiple dealerships.
When: 37,000–146,000 miles; most common 70,000–112,000 miles
Symptoms owners cite: All dashboard warning lights illuminate ("Christmas tree" effect); Check engine light flashing; Rough idle and misfiring on startup; Loss of coolant without visible external leaks; Engine hesitation and jerking under acceleration; Inability to accelerate or maintain highway speed; Vehicle entering limp mode and losing power (65–70 mph down to 25–50 mph); Overheating warnings and engine temperature alerts
Codes mentioned: P0100, P0113, P023D, P0300, P0302, P0303, P0304
Repairs/costs cited: Head gasket replacement; some cases required timing chain and radiator replacement; borescope or compression testing used to confirm; repairs cost $3,700–$7,640; some owners received partial goodwill coverage (35%) from Honda corporate
Recalls/TSBs owners mention: Honda has issued internal Priority/Action Required memos to service managers (April 2023 and August 2024) acknowledging investigation into this defect on 2018–2022 Accords with 1.5L engine; no formal recall issued. Technical Service Bulletins (TSBs) exist but no recall or warranty extension. Honda has denied goodwill claims citing vehicle being outside manufacturer warranty or lack of maintenance. Class action lawsuit (Bissell v. Honda, Case No. 3:24-cv-02286) filed
Fuel Pump and Fuel Injector Degradation (Recall-Related)
Fuel pump impeller deformation and fuel injector failure occurring after or in connection with NHTSA recall 23V-858 (in-tank fuel pump replacement). Restricted fuel flow creates lean-burn condition leading to excessive heat stress on engine components. Fuel injector failure causes sputtering, hesitation, and failure to start. Multiple reports of worsening symptoms after recall pump replacement.
When: Recall repair performed; lean-burn degradation over 18+ months; injector failure 150,000–167,000 miles and as early as 54,000 miles
Symptoms owners cite: Sputtering and hesitation while driving; Failure to start or difficulty starting; Vehicle entering limp mode; Loss of power and inability to accelerate; Rough idle and check engine light; Dashboard warning lights illuminating; Excessive heat and exhaust fumes entering cabin (post-recall in one case)
Codes mentioned: P0100, P0113, High-pressure fuel pump fault codes
Repairs/costs cited: Fuel injector replacement (all injectors and injector rack) estimated $1,500; some repairs involved high-pressure fuel pump diagnosis; one owner reported $5,000 repair bill including fuel injectors and blown head gasket
Recalls/TSBs owners mention: NHTSA recall 23V-858 for in-tank fuel pump impeller deformation; recall repair performed at dealerships; post-recall failures suggest faulty installation or defective replacement pumps; one owner reported dealership documented high-pressure fuel pump fault after recall service; no expanded remedy offered for post-recall failures
Engine Stalling and Loss of Power (Limp Mode)
Vehicle suddenly loses power, enters limp mode, and/or stalls while driving at highway speeds (65–70 mph) with no prior warning. Car drops from highway speed to 25–50 mph and becomes undriveable. Occurs on wet roads, while climbing hills, or during acceleration. Multiple incidents documented, some requiring emergency towing and creating immediate collision risk.
When: Early in ownership (5,500 miles, 7,800 miles, 12,000 miles, 35,000 miles reported); also 88,000–110,000 miles on later examples
Symptoms owners cite: Sudden loss of all power on highway; Engine stumble and stutter during acceleration; RPM drop with loss of response to throttle; Check engine light flashing or illuminating; Multiple dashboard warning lights; Vehicle limping at reduced speed (unable to exceed 40–50 mph); Engine stalling in traffic or at intersections
Codes mentioned: P0100, P0113, P023D, Engine codes not always stored or retrievable by dealer
Repairs/costs cited: Dealers reported difficulty reproducing or locating stored codes; some cases required fuel system work, head gasket replacement, or fuel injector service; one owner reported metal shavings throughout fuel system after inadequate initial repair requiring second dealership visit and complete fuel injector and cylinder replacement
Recalls/TSBs owners mention: Honda customer service initially refused to accept responsibility for damage caused by stalling; one service manager allegedly stated that if vehicle stalls again and driver is hit, all accident damages are owner's responsibility; no recall issued despite multiple reports of identical failure mode
Excessive Oil Leakage and PCV System Issues
Oil pooling between valve cover and engine block near PCV valve port. Reported at very low mileage (12,000 miles). May indicate wrapped head or defective valve cover, potentially contributing to combustion sealing problems and heat stress on gasket.
When: 12,000 miles
Symptoms owners cite: Oil pooling visible in engine compartment; Oil accumulation between valve cover and engine block
Repairs/costs cited: Not explicitly repaired in narrative; owner noted similar reports from other 2019 Accord and Type R owners with same engine
Turbocharger Failure and Boost Pressure Issues
Turbocharger malfunction, failure of turbo clips, and loss of boost pressure. Reported as separate issue from head gasket in some cases, but correlated with fuel system degradation and lean-burn conditions. Turbocharger replacement quoted at $1,700–$2,000+; in one case, full engine replacement quoted at $12,000 out-of-pocket.
When: May 2025 and beyond; not commonly reported at very low mileage but clusters at higher mileage alongside head gasket failures
Symptoms owners cite: Loss of engine power; Whistling noises; Limp mode warnings; Excessive oil consumption and contamination from turbo seal leaks
Repairs/costs cited: Turbocharger replacement $1,700–$2,000+; one owner reported Honda offered motor swap with 90,000 miles for $12,000 out-of-pocket instead of warranty repair; multiple owners reported repeated turbo failures requiring second replacement
Recalls/TSBs owners mention: Technical Service Bulletins issued acknowledging turbo-related problems; no formal recall or extended warranty offered; Honda claimed turbo failures are not manufacturer defects
Synthesized from 86 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 5 most recent
On 5/12/2025 at 104,385 miles I brought my 2019 Accord Hybrid Touring into the local Honda dealer for recommended services that populated in the maintenance minder. It was a larger service plugs, coolant flush, brake fluid flush. Early November of 2025 at around 115K miles I had a warning message appear that said engine temperature critical. I checked the overflow reservoir and the coolant…
Car started loosing power and fouling spark plugs 2 and 3. Took it to dealer shop and head gasket was bad.
I spoke with Josh (Service Manager) on 02/22/2023 after coming back to the dealership after the scar stalled while driving on Interstate 635. Almost getting in an accident and trying to drive the car back to the dealership, the car began bucking once again and wouldn't go pass 40 miles an hour on an interstate where the speed limit reaches 70 MPH. I called and spoke to Mr. Rey, the service…
I am the original owner of a 2019 Honda Accord Hybrid that I have taken to Envision Honda of Milpitas. I have been consistently maintaining according to Honda’s recommended service schedule. No prior issues were noted. What happened to it is beyond normal wear and tear (failed head gasket). My car only had 78,731 miles on it when incident happened. I did not have any concerns with the vehicle…
The vehicle, a 2019 Honda Accord, experienced a catastrophic engine failure (blown head gasket) and entered "Limp Mode" after being operated for approximately 18 months with an unaddressed, high-priority federal safety recall (NHTSA 23V-858). The vehicle currently displays DTCs P0100, P0113, and P023D, which indicate severe air/fuel metering and boost pressure correlation failures. Primary Cause:…
Had engine trouble with your 2019 Honda Accord?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2019 Honda Accord?
It's a documented issue but not catastrophic. 86 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 20 complaints that reported odometer mileage, most engine failures cluster between 12,000 and 126,445 miles, with the median around 104,000. A quarter of owners report trouble before 12,000; a quarter make it past 126,445. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2019/Honda/Accord.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.