n remember tht if any mechanic,, who dnt hve computer fr throtle tunning,, dnt let him to open ur throlte choke,,, cz once u opened it ,,, u hve to tunned it cz once fix it back,, n start ur car,,, ur car RPM wil jump to 3 rpm... n wont gona come back,,, until u tunned it,, it cant be tunnd manually,,,,