Re: Possible Quadrajet issue
It’s a carb vent. Used to vent fumes.
Normally hooked to the charcoal canister with a long hose.
If there’s fuel present it could be from from flooding or from the carb having fuel in the bowl and the carb being tilted forward.
A secondary thought.
The carb return spring should be Hooked rearward as low as possible back to the cable bracket.
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