Quote:
Originally Posted by Ivanerrol
That item with the blue dot is the fuel pressure regulator. Inside it there is a "rubber" diaphragm that helps in the regulators operation. If the diaphragm is damaged then fuel can escape out that line you are questioning. This line is not a vacuum line, it is a fuel escape line. It plugs into the rubber hose which runs between the valve cover and the air cleaner cover - item 1 in the image below. Note that the image shows the rear of the interconnecting hose. If you check the other side you will find an inlet into which your mysterious hose fits into.
Item 1 in this image.
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Thanks, so the fuel escape line runs into item # 2 in your pic?
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1996 E320 since 1/16/08, 171K miles as of Feb 2011
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1989 300CE - R.I.P. Dec 29 2007
Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE
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