Guessing as those connectors are all slide on with a close to interferance fit. The pressure there is typically under 50 psi.
Crack in connector or fuel pump fitting
Debris in the connection
Connector not fully engaged
Removal and using a cotton swab to clean out may work.
Action
Crack in connector or fuel pump fitting
Debris in the connection
Connector not fully engaged
Removal and using a cotton swab to clean out may work.
Action
