Larry Dighera wrote:

Wouldn't turning the fuel pump on be expected to clear the vapor lock?

Interestingly, many of the local A&P comments in response to the 2002 fatal
crash of a Cirrus north of Syracuse, NY, suggested that these high
performance engines were not designed for repeated full power/low power
settings, as what happens over numerous touch and gos or, in the case of
the 2002 crash, repeated stall practice.

--
Peter