My vehicle sat for about ten years. I bought another of the same vehicle with a rebuilt engine it ran perfect, so I swap the engine into my 1996 and it surges after it gets warm when it gets up to operating temperature, after about a half an hour it will just speed up slow down speed up and slow down I have changed a bunch of sensors check the rest put a new fuel pump in all new vacuum lines. I do not know what to do the engine ran perfect in the other car, I cannot figure it out and neither can anybody else. please help, I waited years to drive my car.
Dec 5, 2017 at 8:14 AM
