Hello everyone

, I don't know how to start, but I have a fault with my Nissan Sentra 2002 sometimes I failed me when I was in a semaphore went out and then it was hard for him to start, now I arrived a major problem two day ago I was on the road and suddenly went out and did not want to start, then they took him to a workshop and the mechanic said it was the acceleration system and that is why I gave me that problem, now I gave me that problem. Original e Coloque um de Chicote,

peço que você, pois posso verificar se o seu diagnóstico é verdadeiro, quero verificar eu mesmo e deixá -lo com suas peças originais. Leve com vários outros mecânicos e diga o mesmo.
Me ajude por favor é urgente