Pontiac Problems? Ask a Mechanic for Answers ASAP
Hello and welcome to just answer.
. This is usually caused by a throttle body that has become coked up with carbon deposits. When the throttle body gets dirty, then the airflow going around the throttle plate gets restricted. This can cause low or no idle and sometimes stalling when coming to a stop. The other thing it may be is an idle motor that is sticking and cannot react fast enough to maintain an acceptable idle. I recommend purchasing a can of spray throttle body cleaner and clean out the inside of the throttle body. Be sure to clean the throttle plate paying attention to the edges of the plate (follow the directions on the can). If you still have this problem, then replacing the idle motor would be the next step.
Hope this information helps, and let me know if you need more assistance with this,