Nissan Repair: car problems, nissan sentra, car problems

Question
Hi...........thank you for your help
  my car is nissan sentra 2000 Gxe 1.8 ,the car is working

  well but the rpm is become low until the engine shut
  of(turn of)especially when I am in parking or traffic
  light.
  I do not know what is happening.
   have a good day

Answer
Hi -

My guess is it is ready for a tune up. When was the last time you did that? If the car is running fine otherwise (no missing up hills, etc), then the idle speed probably just needs adjustment, which should be part of the tune up.

Hope this helps -
aloha
calvin