2014 Honda Odyssey engine problems
59 owner complaints filed with NHTSA name the engine on the 2014 Honda Odyssey — 19% of all complaints for this model year.
What owners report
“About mid-2025, Honda announced a warranty extension campaign (not a formal NHTSA recall) for: * 2013–2017 Honda Odyssey (and some Pilots) * Related to VCM (Variable Cylinder Management) What the problem was: * Piston rings wear prematurely * Oil gets past the rings → fouls spark plugs * Leads to…”
filed Apr 26, 2026
“All of this has been diagnosed and confirmed by Richfield-Bloomington Honda. It is a catostrophic failure of the motor. Cylinder 6 is misfiring. They are recommending a full motor replacement. Last year, I had the piston ring issue on this car and the dealership had to rebuild the motor. The van…”
filed Apr 10, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1…
A26-001 · Service Bulletin/Repair Instructions · issued Feb 1, 2026Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1…
A25-061 · Service Bulletin/Repair Instructions · issued Aug 29, 2025Owner Notification Letter - the piston ring function can deteriorate due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301…
ONL6Z6072025 · Other · issued Jul 29, 2025Service Bulletin - The piston ring function deteriorates due to ring wear and sticking from sludge. Oil from the crankcase adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1…
A25-061 · Service Bulletin/Repair Instructions · issued Jul 18, 2025Dealer Message - Piston ring effectiveness may be reduced due to excessive wear and oil sludge build-up, which can cause oil to adhere to the spark plug, potentially leading to carbon fouling and misfire triggering DTCs…
AEBM06172025901 · Other · issued Jun 17, 2025
Engine problems in other Odyssey years
| Year | Reports | Share |
|---|---|---|
| 2026 Odyssey | 5 | 22% |
| 2025 Odyssey | 151 | 52% |
| 2024 Odyssey | 29 | 35% |
| 2023 Odyssey | 11 | 12% |
| 2022 Odyssey | 15 | 12% |
| 2021 Odyssey | 23 | 18% |
| 2020 Odyssey | 64 | 15% |
| 2019 Odyssey | 128 | 14% |
| 2018 Odyssey | 183 | 19% |
| 2017 Odyssey | 10 | 26% |
| 2016 Odyssey | 91 | 34% |
| 2015 Odyssey | 53 | 26% |
Other reported problem areas on the 2014 Honda Odyssey
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.