Pontiac

I am desperate... can some one please tell me where i can find the vaumm lines on a 2000 pontiac grand am. i have a repair manual but there is no picture in there of where the lines run... my idle is too high and i am having a delay in shifting. please help !

Unless the car has had body repairs or has been painted, there is typically a vacuum routing diagram on a sticker under the hood or on it; someplace visible in the engine compartment.