Originally Posted by
encorehunter
I don't know what shop you are looking at doing the work. I've got a Duramax at M and M in Trinidad right now. In Pueblo they told me I needed a new fuel pump due to low fuel rail pressure. They wanted to do their own diagnosis, some person left an extra rubber gasket on the last time the fuel filter was replaced. I learned my lesson to make sure I got all the extra gaskets out. They are a little on the expensive side, but they have kept both my diesels running good.