1997 Chevy Blazer Fuel Injectors

1997 Chevy Blazer 6 cyl Two Wheel Drive Automatic

I am having problems still staring my vehicle I can remove the air filter cover from the engine that is connected to what I am taking to be a carburetor of sorts for fuel injected vehicles. I can remove the cover and pour a little gas into it and go a put foot on gas pedal and after a few secs it will fire and run for a little while till the gas I poured straight into runs out than it dies. I am thinking either I have bad fuel (which could be checking it was very dark yellow) or my fuel injectors are clogged. My questions are 1st. Where are my fuel injectors located to check them? And 2nd. Is there an easy way to just drain the gas tank without dropping it or using a siphon hose?