help please

[murphy2]

every time i stop at the traffic light the car idle drop and idle go up and down like the car is going to cut out what could this be.

 

[Darragh]

Clean out your IACV first and see if it changes

 

[pornstar4777]

^^^check

 

[fljoshua129]

I had this problem on my old ek3, one of the injector o rings was damaged and the tip of the injector was cracked

 

[cormy]

Iacv or map sensor