Hi, recently rectified 1.9 trafic diesel engine, it turns out that it starts well, but when it has no power, it cracks, the mechanic did everything possible to leave it pointed, the medise that it is the problem of the injector pump what happens the pump does not know but starts Well, I do not understand anything, someone help me with this problem from Thank you very much, I took it to the bomber and I designed that it is clear the engine