won't accelerate
 

I have a 1977 mb 450sl. it is running but when I push on the accelorator the engine just dies down I have cleaned all the fuel lines and the fuel distributer as well as the injectors. I am at a loss, it is a gas engine w/ fuel injection any sujestions Would be greatly appreciated thanks Ben if you have any questions or sugestions please e-mail me thanks again bengleson@mchsi.com