2020 Honda Accord engine problems
67 owner complaints filed with NHTSA name the engine on the 2020 Honda Accord — 19% of all complaints for this model year.
What owners report
“Took my car to Honda they stated my head gaskets and turbo charger was bad .. every shop that i talked to about the problem had stated that they have been getting a alot of my models coming in with the same issue”
filed Jul 24, 2026
“While driving, my vehicle experienced a sudden engine malfunction consistent with a failed head gasket. The engine began misfiring, shaking, and losing power, and the check engine light began flashing. The vehicle became unsafe to operate. The failed component is the engine head gasket, and the…”
filed Jul 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Service Bulletin - Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
A25-074 · Service Bulletin/Repair Instructions · issued Jul 29, 2025Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2024 Accord 1.5Ls, 2021-2024 Civics 1.5Ls, 2023-2024 CR-Vs 1.5Ls, and 2017 Fits with customer complaint of Check Engine Light (CEL) on…
ATI&12022024909 · Other · issued Dec 3, 2024
Engine problems in other Accord years
| Year | Reports | Share |
|---|---|---|
| 2025 Accord | 2 | 3% |
| 2024 Accord | 10 | 8% |
| 2023 Accord | 12 | 15% |
| 2022 Accord | 29 | 13% |
| 2021 Accord | 30 | 14% |
| 2019 Accord | 163 | 25% |
| 2018 Accord | 521 | 29% |
| 2017 Accord | 62 | 12% |
| 2016 Accord | 44 | 7% |
| 2015 Accord | 105 | 18% |
| 2014 Accord | 179 | 18% |
| 2013 Accord | 179 | 13% |
Other reported problem areas on the 2020 Honda Accord
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.