2011 Honda Accord engine problems
25 owner complaints filed with NHTSA name the engine on the 2011 Honda Accord — 8% of all complaints for this model year.
What owners report
“I'm having symptoms of cold startup engine rattle type clatter sound for approximately 2-3 seconds and then it goes away. Doesn't do that again unless the car sits for a period of time. If it's been started recently like within 1 hour or 2 hours it will startup with out making that metal…”
filed Jan 27, 2026
“Engine, c1 misfirers, this has occured over the past two years and has costs me thousands to fix but its not a permanat fix, it's been a bandaid to this issue. Its the same issue as you all are investagating with the new models, honda did acknoledfge this issue but they said after 2014 you no…”
filed Nov 14, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Service Bulletin - The front rocker arm oil control valve is leaking.
A20-023 · Service Bulletin/Repair Instructions · issued Mar 5, 2020
Engine problems in other Accord years
| Year | Reports | Share |
|---|---|---|
| 2025 Accord | 2 | 2% |
| 2024 Accord | 10 | 7% |
| 2023 Accord | 12 | 14% |
| 2022 Accord | 31 | 13% |
| 2021 Accord | 35 | 15% |
| 2020 Accord | 71 | 20% |
| 2019 Accord | 180 | 26% |
| 2018 Accord | 552 | 29% |
| 2017 Accord | 62 | 12% |
| 2016 Accord | 44 | 7% |
| 2015 Accord | 106 | 18% |
| 2014 Accord | 179 | 18% |
Other reported problem areas on the 2011 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.