2001 Pontiac Grand Prix GTP Q&A

2001 Pontiac Grand Prix GTP Question: Idles High

car revs high sportatically when idling, periodically stalls when in park. i had a mechanic check and they found a faulty seal that they thought was letting air into the fuel. this seemed to be fixed for about a week but has started again. also the enginge light comes on when it is wet out and since we have had snow for the last couple months im not sure if the two are related -
Answer 1
have the TPS checked = throttle position sensor -
Related Items:
Had someone change the intake manifold gaskets now the car is idling very high and won't shift while driving help