truck is dumping fuel out of vent hose

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02-14-2007, 03:34 AM

auroraflyer66

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truck is dumping fuel out of vent hose

my truck, 1991 reg cab w250 90'000 mile is dumping raw fuel out of vent tube just behind the water separator. truck started w/ no problem and ran normal.

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02-14-2007, 08:07 AM

madhat

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Bump.........

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02-14-2007, 08:15 AM

plow

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If your talking about the blowby tube I would quit driving it and check your oil, your crankcase could be full of fuel if it is it could be a leaking injector.

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02-14-2007, 08:16 AM

dieselrob

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Whats the tube attached to the water seporator or the engine? Im not shure if the 1st gen had a diff setup with the vent.If its the tube on the water seporator then the valve is either partially open or bad oring. or need a new valve.