Should have mentioned...

When I first bought the Truck it had a serious fungus problem. Enough to occasionally clog the fuel pick up tube (the W460s used a pick up tube that comes in from the top of the fuel tank and pulls fuel from the bottom, rather than a gravity feed from the bottom of the tank).

To fix this issue I had to remove the tank, have it cleaned, replace the pick up tube, and repeatedly change out the filters, the clean one and the large one. I then ran anti-fungal stuff in it for a couple years, put it in every tank fill. This is all while it was passing emissions.

The plastic filter isn't perfectly clear any more, but I don't see anything floating in it, nor does it appear as though the filter screen is clogged, but maybe it is time to replace it anyway. The fuel coming from the drip test is perfectly clear with nothing in it or any color change, but I am not using fuel from the tank, I am using a separate tank to pressurize everything (4psi), but it is hooked up such that the fuel is still going through that plastic filter. This was all such that I don't have to try to manually maintain a constant pressure with the primer pump.

I can try to pull some out of the tank and make sure everything is clean still.

Jim

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1985 190E 2.3-16v Euro
1980 300GD SWB