On Apr 19, 11:13*pm, "SteveB" wrote:
On a Merc, they have those snap connectors. *If the silver snap is not shut,
am I right to ASS-U-ME that there is no connection? *And, conversely, if the
snap is shut, can I ASS-U-ME that the connection is good? *Or is there any
wiggle room where it can suck air instead of gas?

TIA

The connectors can and do get worn, I can tell you that from
experience. Mine got sloppy and it started sucking air at times,
making it run rough.