ok, so I've taken off the injector and tightened the prechamber as much as I can. That with a big breaker bar. I was able to turn it about 1/8 of a turn or so. So that's good I guess. I put in a new crush washer and tightened down the injector and. . . it seems to have slowed the leak, but not fixed it.

Is it normal for air to escape from the prechamber (thanks for the name btw)? I still believe that the main fuel leak is coming from the actual rubber fuel lines, I'm just worried about the air escaping, if that's a problem.

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1992 300D OM602

Ben