For some reason, my fuel return line from injector #2 to #1 continuously leaks at injector #1. I've replaced it twice in the past month, and it still leaks. I'm using the recommended fuel lines, I'm at a loss, could I be installing this wrong? All I'm doing is pulling the old line off and placing the new one in, is there more to this than meets the eye?

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2012 550CLS
1982 380SL
1985 300D
1998 ML-320
1997 E-320
1984 380SE

Could it be the fuel SUPPLY line for that injector leaking, rather than the rubber return lines?

The return lines look dry in the picture.

Ken300D

I would say make sure you have the return fuel lines pushed down nice and flush to the injector. But like Ken300D said, it doesn't look like your return fuel lines are leaking, since they appear to be dry in that picture. I would make sure the seals around the injector itself are good and also that your supply line is not leaking, as ken said.

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1984 190D 2.2 Auto 220k
2001 Jeep Cherokee Sport 70K
2004 Lexus RX-330 ??K
2005 Chrylser Crossfire LTD 6K

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