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Old 08-17-2016, 10:06 PM   #1
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Default Brown Gunk in carb

I have a small amount of brown gunk in my 2001 3.0 carb. It's coming from the fuel pump via a flexible hose. I always thought this was a breather or vent line. Is this a sign of fuel contamination? I burned my fuel level down very low last time out so I may be getting stuff from the bottom of the tank.
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Old 08-17-2016, 11:35 PM   #2
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The tube is a telltale sight tube that let you know if the fuel pump diagphram is failing. Marine fuel pumps have a double diagphram with the tube in between. What you are seeing is oil in the carb.

Time for a new pump.
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Old 08-18-2016, 10:47 AM   #3
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Thanks Mike!
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