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Old 05-12-2010, 02:11 PM
toomany MBZ's Avatar
toomany MBZ toomany MBZ is offline
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Join Date: Nov 2006
Location: central Va
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Are you referring to the item in the (crappy) pic?
If so, that is the altitude adjusting box (ALDA) and there is not supposed to be a hose attached on that nipple, item #3. This should not be an issue.
You mention you have red gunk in the primary, clear inline, filter. This is an indication you have farm fuel in the tank, red diesel. It is taxed at a lower rate than the stuff you buy at the station.
You may have a clogged tank screen and/or a vent issue. The next time it stalls, or won't start, open the fuel cap, do you hear a whoosh? If so, you have a clogged vent. Try and locate an item similar to the one circled in the second pic, it may be near the left rear wheel.
You may be able to treat the fuel in the tank by adding a bio-cide, available at any marina, truck stop or on line.
Attached Thumbnails
300d w123 fuel injector hose to???-alda-atmo.jpg   300d w123 fuel injector hose to???-fuel-vent.jpg  
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