The contact owns a 2017 Nissan Altima. The contact stated that the engine and oxygen sensor warning lights were illuminated. The vehicle was taken to a certified mechanic who diagnosed the vehicle and determined that the oxygen sensor needed to be replaced. The contact stated that after the vehicle was repaired, the oxygen sensor warning light illuminated again. The vehicle was taken for an oil change and the certified mechanic determined that the spark plugs, and ignition coils needed to be replaced. The contact stated that the #4-cylinder head gasket needed to be replaced. The vehicle was repaired; however, the warning lights remained illuminated. The contact stated that the gear shifter seized, and the contact used a key to unlock the gear shifter. The contact also became aware that the oil level was continually low. The vehicle was taken to a Certified Mechanic again, who tested the cylinders and diagnosed and determined that the cylinders had failed. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 148,000.

- Houston, TX, USA