PeachParts Mercedes-Benz Forum - View Single Post - Fuel Pre-Filter Plastic Line

TMAllison · #5 04-03-2004, 04:25 AM

Any fuel leaks anywhere? Where fuel leaks out, air can enter.

Most folks dont replace the line from the inside of the IP (has a banjo bolt, black fuel hose with clear line intersecting), it has o rings where it enters the fuel filter housing that should also be replaced. My dealer parts person said no one had ever ordered that part so I only replaced the o ring on mine.

I had a frothy stream of bubbles at certain RPMs after replacing my lines and difficulty starting and loss of power at times. I had to replace the fuel shut off solenoid (black plastic valve with 3 lines and electrical connection) mounted on the side of the IP.

As I udnerstand, the shut off solenoid should turn on the check engine light if malfunctioning although it may not if only leaking.