Saturn SC2 Idle Air Control

What Causes Your Car To Idle High At Times Then Normal At Other Times ? When Driving And You Let Off The Gas , The Car Remains At A High Rpm...

I Keep Getting A P0410 Dtc And Have Checked The Secondary Air Sys And Its Parts Thoroughly. Changed The Coolant Temp Sensor And The Vacuum...

My Car Dies Out When Coming To A Stop And It Only Starts On A Cold Start After That I Have To Pump The Gas And Black Carbon And Smoke Come...