Strange Misfire Issue Related to Charcoal Canister?

Hi Everyone,

I wanted to give a final update. I replaced the injectors with the ones here. (Thank you Andy for that link.)

I did have to pull the injectors twice because when I first installed them I must've pinched the rubber gasket (on the fuel rail side) because one of the injectors immediately began leaking.
But I just got some replacement gaskets at AutoZone for 8 dollars -_-

After all of that the problem has seemed to go away completely. No misfire. Only thing is the engine takes about one extra crank now to start up. I'm not too worried about it.

Anyways, my guess is that the problem in my OP was caused by an injector leaking down the fuel pressure each time I shut the engine off.

Thanks again to everyone