I havea 190 E and 16 valve mercedes.I wrote to you before asking why it only started when i primed it and followed your suggestions.I replaced the Fuel Accmulater,Fuel filter and cheak valve.primed it and starts but will not stay running.as if it was out of gas.The fuel pump is making alot of noise can this be my problem to.Like i said in my first letter will start if i prime it but now it only stays started till prime runs out.ANY SUGGESTIONS WILL HELP .THANK YOU.