I have this same problem with my 93 Accord. I always attributed it to
rain water that leaks in through the trunk (and possibly into the fuel
pump circuit maybe?), though I haven't done much about it as it hasn't
been a big problem.
Anyway, so if an injector is leaking, the pressure in the fuel lines
can cause it to flood the cylinder while the car is sitting? and
injector cleaner could stop an injector from leaking? I'm not much of
a mechanic, but it sounds like it could be worth a try. An
inexpensive experiment at least.
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