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Old 04-14-2021, 09:53 AM   #10
dmsfrr
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Join Date: Aug 2012
Location: Abq, NM
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Default Re: Fuel line check valve?

Quote:
Originally Posted by JMFL36 View Post
Took CrownVic55's advice and loosened the non-vented gas cap, started the car, ran it for a bit, and shut it off. Bowl stayed full. I must have a restriction in the gas tank vent line. I'll throw it on the lift tomorrow and blow out the vent line. Will let everyone know how it goes.
Quote:
Originally Posted by KULTULZ View Post
The 54 MERC was externally vented and had a closed filler cap.
Looking at the diagram... does the 'top' end of the vent line connect into the upper part of the filler neck, or is it open to outside air with some sort of small fitting on it?
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