hey guys ive researched and researched and i need help. when i start my car my caR idles a 3500rpms then 2 seconds later it bounces from 2000 to 3500. back and forth. it just started today when i was driving and when i would push in the clutch while driving it would jump to 4000 and just idle there. i have :
cleaned the fast idle valve and tightened it
cleaned the iacv
the throttle cable is not stuck
im so confused.
ps: its a boosted 2.0 ls-vtec just had it dyno tuned last weekend if that helps any