If your car dos not stable while idling or while slowing at jumps, then this might be due to IAC or VSS sensor. COst of tehse sensors is:
New IAC sensor is of Rs 2000-2200 while kabli may be approx 1200.
New VSS is of Rs 1200.
Share your experience after installing new ones, cause i also need to buy new IAC sensor.
(these are lahore prices)