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Fuel/propulsion System
03/10/2026
2016 Honda Odyssey with 76,000 miles. Vehicle experienced recurring cylinder 3 misfire (DTC P0303) caused by Honda's Variable Cylinder Management (VCM) system allowing oil to bypass piston rings — a known defect covered under Honda TSB A25-061 and TSB 13-081. Vehicle was brought to Tony Honda (Honolulu, Hawaii) multiple times prior to January 31, 2026 warranty extension deadline but was not diagnosed until after expiration. Honda is now refusing to cover piston ring replacement under warranty despite this being the exact repair specified in their own technical service bulletins. Vehicle has been at Tony Honda since March 10, 2026 — 71 days — with no resolution.
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Engine And Engine Cooling
05/04/2026
The contact owns a 2016 Honda Odyssey. The contact stated that while parking the vehicle began to experience cylinder misfiring and vibrations and the check engine light had illuminated. The vehicle was driven to the local dealer who diagnosed the engine cylinder piston rings had failed and needed to be replaced. The vehicle was not yet repaired. The manufacturer was not yet contacted. The VIN was not available. The failure mileage was 100,000.
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Fuel/propulsion System
04/30/2026
COMPLETE shutdown of the engine while driving. No warnings - no flickering- no stumbling or misfire, just complete engine shutoff - dash and everything just turns off. Reading up on past recalls for this era of vans (mine a 2016) the 2013-2020 recall on the fuel pump sounds identical to this same thing I am experiencing. I was driving along in the city with my family in the vehicle and 2 times already while driving it has done this complete shutdown. If i wasn’t an experienced driver it would be enough for anyone to freak out and possibly cause some serious accidents. After I pull over and can try to restart the vehicle , thankfully it has restarted and allows me to continue forward. This is obviously not normal for a vehicle, Or even a fuel pump.
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Engine And Engine Cooling
02/17/2026
See attached document for complaint.
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Engine
09/01/2025
09/01/2025 - Claim submitted under recall for "2016 Honda Odyssey, the Variable Cylinder Management (VCM) system can cause premature piston ring wear, leading to oil consumption, spark plug fouling, and misfires (P0301-P0304)" 09/24/2025 - Honda sent email confirming all required documents submitted and reimbursement would be processed in 6-9 weeks. 03/13/2025 (today) - No reimbursement received. Have called Honda claims 3 times over 3 months with no further information. Representatives state that reimbursement department very busy, will "flag for expediting", and to "call back in a week". It has been 24 weeks, way longer than acceptable processing by the OEM.
