Sprinter 2005 sai sozinho e não começa

Good evening, I have a sprinter year 2005, suddenly the engine began to work, the vehicle was running and the engine was turned off, the entire oil conduit was checked, the start was repaired, the oil filter was changed, the oil pond was taken out of Change it_ (in which part it is located and how it can be changed without going to a mechanic) and with this I will have solved my problem, since it also loses strength and the EDC is turned on on the instrument board, please I need you to guide Eu, já que não conseguimos encontrar a falha e se você alterar o sensor do eixo de manivela, ficará para ... obrigado

Olá, para mim, tem um problema de retorno de problema se o combustível foi muito ruim, certamente afeto pelos injetores com apenas que um falha, não é suficiente para que sejam as saudações ferroviárias comuns