Thread: '98 grand prix gtp almost stalling

When it is hot outside. (80+) My gp almost stalls when i push hard on the gas, It slows down. but engine revs up high and the boost goes all the way up like it should if i were speeding up. I have to replace the crankshaft positioning sensor, i know that but im not sure if this problem has anything to do with that sensor or if it is another problem. help?