The contact owns a 2014 Honda Odyssey. The contact stated that the vehicle hesitated while depressing the accelerator pedal, with the check engine warning light and two other unknown warning lights illuminated. The contact initially had the vehicle towed to an independent mechanic where an oil leak was discovered behind the spark plugs. After the initial failure, the contact had the spark plugs replaced four separate times. The vehicle was also taken to a dealer where it was determined that the cause of the failure was the piston rings, and the contact was given an estimate for the repair. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was...