i have an ls in my hatch and i just changed my spark plugs today(NGK) and now my cars idle is 2000 it was originally around 800 i loosened up my throttle cable and it now idles at about 1000
what could cause this to happen and how can i fix it, im new and i already researched this topic and found nothing i can't sleep until my car is running right i need to fix this problem be for hot import nights on saturday
thanks