Hello everyone. I want to say that the forum is very helpfull. I recently just got a 300 sdl. When I got the car it was a little dark. I really liked it a lot, and really did not pay any attention to any leaks. Anyhow, after i got the car home I realized that delivery valve # 3 was leaking fuel. I did replace the O rings on all of them and also the cooper washer. All of the sudden the car was working with 5 CYL. I openned the delivery valves again because someone told me that the delivery valves can be adjusted. Now it is working with 6, it shakes less but is no where close to sounding like it did before I put my hands on it. The car also smokes and than when it accelerates it does not. I went ahead and replaced the injectors but no results. I dont know what to do anymore...I tried to take to a shop in town, but as soon as he heard that I had messed with the delivery valves he would not touch the car... The mechanic thinks some dirt must have gone inside the PUMP..My question is does anyone know any liquid that i can pure into the PUMP and maybe have it cleaned. Or what could it be ?