so what would cause my idle to go up and down but this only happens after the car has gotten warmed upsome im thinkin vacum leak cause if its just idlin theres not much vacum right bet when it revs up it would create vacum and then the leak would affect it not sure though

 

anyone help

 

ey dude i have the same problem. today i miss little bit with the throttle boddy.. now the iddle dosnt go down and up.. but stay on 2k all the time.. but i find out my motor is out of time..if ur car is on time. . i think we can do something to take that problem ouyt.. that problem is on the throttle body.. if u live close to miami beach.. let me know. if u want to come down here. i help dude. let me know.

 

Throttle Position Sensor is the culprit, have same problem and gettin it replaced tomorrow morn, will let you know if it does the trick for me