Sometimes while my car is Idling, it seems like the engine is about to give out and then begins to Idle normal again. Also, this problem occurs sometimes when I shift out of gear into neutral. Any suggestions as to why this occurs and how to fix this problem would be great.

 

This could be MAP sensor, TPS sensor or a host of other things....I would suggest taking it to the dealer.

 

Normal condition many have experienced. Search Short Term Fuel Trim (STFT).