In article ,
Steve Robertson wrote:
For me, mine has an odd cold starting gremlin. (Lycoming IO-360) It will rarely
start the first time, no matter how long I run the starter or how long I
prime it
with the aux pump. However, it will start on the 2nd blade every time the second
time I run the starter. Weird.

You sure the aux pump is working? Could be you're priming by cranking
the engine pump which gets you the start on the second crank.

--
Ben Jackson

http://www.ben.com/