2016 Honda Odyssey

Honda states they have issued a recall for : You paid for repairs to address a condition of engine misfire due to piston ring deterioration (that triggers DTCs P0301 thru P0304). e The repairs were completed or started prior to the notice date; repairs made after the notice date must be administered by a Honda dealer. o You owned the vehicle at the time of repair. You are still eligible if you no longer own the vehicle. • You provide a paid invoice. However when presenting receipts from a certified Honda Dealership repair shop, Honda Corporation states that not enough detail was gathered by the Honda Dealership to reimburse for the failed pistons. Honda corporation is not honoring the recall by creating additional red tape to avoid reimbursing consumers. If I had taken this to a mechanic outside of Honda I could understand, but this is an actual certified dealership where the work was done and still it's not enough proof that merits reimbursement. I have included the initial diagnosis and then the repair work that was done that meets all of the standards in the letter. Return letter from Honda Corporation: For auditing and compliance purposes, reimbursement under this warranty extension requires that both of the following be clearly documented on the repair invoice: - A qualifying DTC (P0301–P0304) - Technician notes identifying the root cause of the misfire We spoke directly with Economy Honda Superstore, who reviewed invoice #XXX along with the hard copy and technician notes. The documentation does not include any qualifying DTCs or confirmation of oil-fouled spark plugs. We understand that Service Manager Denman provided you with a separate document indicating DTC P0303. While this confirms the presence of a misfire code, it does not include clarification of the root cause of the misfire. Without this confirmation, the repair does not meet the eligibility criteria for reimbursement under the warranty extension. As such, the repair is not reimbursable. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF IN

The contact owns a 2016 Honda Odyssey. The contact stated that while driving at an undisclosed speed, the RPM increased, with several unknown warning lights illuminated. In addition, there was an abnormally loud sound and smoke coming from the exhaust system. The contact drove the vehicle to a nearby business parking lot. The contact stated that the failure started while the cruise control was enabled, so the contact disabled the cruise control. The vehicle was towed to an independent mechanic; however, the vehicle was not inspected. The contact stated that the vehicle was recently purchased from a dealer. The contact obtained a CARFAX report, which indicated that in January 2025, the dealer performed an unknown recall repair where the piston rings were replaced. The manufacturer was made aware of the failure, and a case was filed. The contact was advised to take the vehicle to the dealer for a diagnostic test. The failure mileage was approximately 80,200.

The contact owns a 2016 Honda Odyssey. The contact stated that while driving at an undisclosed speed, there was a misfire coming from the engine, with the check engine warning light illuminated. The contact stated that shortly afterwards, the vehicle vibrated abnormally and hesitated while accelerating. The vehicle was taken to an independent mechanic to be diagnosed, and the contact was informed that the ignition coils and spark plugs were faulty and needed to be replaced. However, the failure returned a year later, with a misfire coming from the engine while driving, with the check engine warning light illuminated. The vehicle was taken to an independent mechanic to be diagnosed, and the contact was informed that the ignition coils and spark plugs were faulty and needed to be replaced. The vehicle was repaired; however, the failure reoccurred months later. This vehicle was taken to a Honda dealer to be diagnosed, and the contact was informed that the cylinder rings were faulty and needed to be replaced. The vehicle was repaired; however, the failure persisted. The manufacturer was notified of the failure. The approximate failure mileage was 85,000.

The contact owns a 2016 Honda Odyssey. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the engine, resulting in damages to cylinders #1 and #3. The contact was informed that a partial rebuild of the engine was needed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 94,000.

While driving on the interstate my 2016 Honda Odyssey with 120k miles experienced a blinking check engine light along with strong engine shudder. Luckily I was close to home, and after reviewing numerous complaints of the same VCM issue from others I checked the plugs and coils and found that the 3 rear plugs covered in oil. I replaced the plugs and coils and ran fuel system cleaner for the next few fill-ups. There was no prior warning, and if I would have been further from home or continued driving i assume I would need new rings and that would be a multiple-thousand dollar fix. I still don't know if they're permanently damaged.

Vehicle had a dead misfire on cylinder number one. Initially occurred in May 2024 - all of my dashboard lights went on and car was very shaky - made me nervous because manual said car could overheat or catch fire, so had towed to shop - Girard's Automotive in Franklin, WI. They diagnosed as spark plug needed replacement. Van was at about 98K miles at the time so recommended changing all spark plugs, which I did. Three months later - in August 2025 the same thing occurred - all warning lights on. This time I brought it to my regular mechanic - Import Minded in Greenfield, WI - insisting it was a faulty spark plug replacement. He removed the spark plug and found it to be oil fouled which typically indicates the vehicle was experiencing high levels of oil consumption caused by a known piston ring issue. He changed the spark plugs at the time at recommended checking with Honda as this was a known issue in which they had put out a service bulletin in Oct 2020 and extended warranties for year 2011 to 2013. I went to the Honda dealership. They were familiar with the problem but stated they needed to diagnose the problem and could not do that until the engine lights came on again. So, I could not reliably drive my car any distances for fear all my engine lights would come and the shakiness would come back. This went on until this last month, March 2024 in which the engine lights came on again and I was able to get it back to the dealership where they did diagnose the issue as the piston ring problem. They would not guarantee me any assistance with the repairs but required I have them done there for any chance at getting goodwill assist to pay for the repair- to the tune of $6000. After the work was complete, they let me know they would not be able to help me out - not because they do not acknowledge this to be a known issue, but because I do not spend enough money at Honda dealerships. Safety concern - overheat/fire and shakiness causing difficulty driving.

The contact owns a 2016 Honda Odyssey. The contact stated while driving at an undisclosed speed, there was an abnormal knocking sound coming from the engine compartment. In addition, the contact noticed the knocking sound when the vehicle started. The contact stated that the failure was persistent, and the abnormal knocking sound had gotten louder. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 72,000.

The contact owns a 2016 Honda Odyssey. The contact stated while driving at undisclosed speeds, the vehicle experienced a loss of automotive power. The contact was able to coast to the side of the road and noticed several unknown warning lights illuminated. The vehicle was taken to the dealer and an independent mechanic; however, no cause for the failure was found. However, the dealer replaced the oil gasket, and the spark plugs. Ken Garff Honda of Orem (195 E University Pkwy) replaced the timing belt. The contact stated that the failure persisted. The manufacturer was notified of the failure. The failure mileage was approximately 67,000.

I own a 2016 Honda Odyssey. This past summer ,while driving the vehicle began to lose power and shake. I had it towed in where I was told that the piston rings needed to be replaced, however, the first step would be to replace the spark plugs. They knew exactly what was going on because numerous individuals have had the same issue with their Honda Odyssey. Now just last week the same problem happened and the piston rings are being replaced for $5000. There was previously a class action lawsuit on earlier model year Honda Odyssey's due to the same issue. Honda then did nothing to fix the issue with the next model of the Odyssey. It is frustrating that their is a known issue that they are doing nothing about. We literally lost power while driving down a busy highway putting us and others at risk. Luckily we were able to get off of the road safely without causing any issues. You have previously looked into the earlier model Honda odyssey's I would appreciate it if you would with the newer models as well. Thank you.

Dear Honda Customer Service, I am writing to formally report a serious issue with my 2016 Honda Odyssey and to request a full repair at no cost due to what appears to be a manufacturer defect. In March 2024, my vehicle began experiencing a mild shudder/vibration noise, and the Check Engine Light turned on. I took the vehicle to Vacaville Honda, where a diagnostic was performed. The technicians informed me that the engine has a faulty VCM (Variable Cylinder Management) system, causing misfiring due to oil leakage on the spark plugs and piston rings. The only solution given was to replace the engine at a cost of $6,000, which is an unreasonable expense for a known issue related to Hondas VCM system. I have maintained my vehicle regularly at Honda dealerships and followed all manufacturer-recommended maintenance schedules. This engine failure is not due to negligence or wear and tear, but rather a design defect that has affected many Honda owners. Given these circumstances, I respectfully request that Honda cover the full cost of the engine repair or replacement under a goodwill warranty. I also ask that you investigate whether this issue qualifies for a recall or extended warranty assistance. Please respond as soon as possible, as my vehicle is currently unsafe to drive. Thank you.