Thread: 126 '84 500sel
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Old 12-09-2001, 08:01 AM
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dpetryk dpetryk is offline
Electrons can do anything
Join Date: Sep 2001
Location: Houston, Texas
Posts: 1,071
Im not sure if my answer is applys since I dont havbe any direct experience with a 500sel, but I know on on the 4.2 and 5.6 liter engines there is a small line running from the fuel pressure regulator to the air cleaner hose. It is concievable that the fuel pressure regulator diaphram has a leak and allowing fuel to get to the air cleaner hose. Otherwise the air cleaner hose is connected to the crank case vent and if fuel is comming out, that suggests there is fuel in the crankcase which I doubt is true.
I got too many cars!! Insurance eats me alive. Dave

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