if its dying under a load, like in gear, it's very likely a map sensor.
they were bad for going out. I used to keep one in my toolbox for that
While that sounds like the most likely suspect, it may not be the
cause. I understand the paycheck to paycheck thing, but how much have
you wasted chasing the wrong thing. Spend a few $$ to get it looked at.
If it turns out to be the map sensor, don't cheap out on that. Those
things from Autozone are crap. you will be doing this again in the