At 12:33 PM 8/18/2012, Rocket J Squirrel wrote:
>asked whether the fuel pump had been buzzing when the engine was acting
>wonky. I cannot say with any certainty whether I noticed that -- engine
>noise and road noise, windows down -- but at some point on the trip I
>did hear a not-loud but audible buzzing sound from behind.

This would tend to indicate a problem on the suction side of the
pump.  Where does Mellow Yellow keep its fuel filter(s)?  Normal
candidates are small square one before and/or very large cylindrical
one after.  If the one before gets clogged it will cause cavitation,
likewise if the tank inlet is obstructed.

Yrs,
d