car intermittently surges while stopped

What is your question?

have replaced iac code reads egr when diagnosing code light flashes 332 motor surged so bad broke hydraulic motor mount a/c manifold power steering draws down when the motor starts idling up happens with foot on brake at a stop otherwise car has power no slipping when accelerating runs great no one can figure out what the problem is please help ive dumped 700 dollars into it with no change would be extremely appreciative for any suggestions