I have a 1984 300D Turbo. I just had the injector pump replaced. It sat for about 6 weeks while the mechanic worked on it periodically.

Now, it has no power until it warms up. It has always been slow to go until you hit about 5 MPH. But, it is pathetic now.

I first thought the problem was the fuel after sitting for 6 weeks. But, I've run a tank through it and it seems to be getting a little worse.

Does anyone have any information that could help me?