丁女士在长春某4S店购车并办理车辆落籍手续时发现,发动机上竟然没有号码,因此无法落籍。事后,她的车被4S店拖回并重新喷印了发动机号,但再次办理落籍时被告知,该车发动机号与合格证上的不符,仍无法落籍。丁女士要求更换新车,但4S店却迟迟不予更换。经消协调解,商家承诺尽快为她办理换车手续。厂家、4S店均未尽到相关检查、检验责任。商家的行为违反了《家用汽车产品修理、更换、退货责任规定》的第八条规定,理应为消费者更换 Ms. Ding car in Changchun, a 4S shop and apply for registration procedures for vehicles found that the engine did not even have the number, it can not be dropped off. Afterwards, her car was dragged back to the 4S shop and reprinted the engine number. However, when it was again handled, she was told that the car’s engine number did not match the certificate and still could not drop her. Ding asked for a new car, but the 4S shop has not yet been replaced. By the association mediation solution, businesses promised to change the procedures for her as soon as possible. Manufacturers, 4S shop did not do the relevant inspection, inspection responsibility. Businesses in violation of the behavior of “domestic car repair, replacement, return responsibility provisions” Article VIII, should be replaced by consumers