One mans guess could be someones fix,pulling out of my driveway my ENG started running very bad, turned around popped the lid and checked to find a bad air hose going to that small black box that sits in back next to the fire wall,put on a new hose and it ran fine.Hope it helps ,just an idea*****

99' sportage,4"lift RSG,31" M/T Baja MTZ on DC1 rims,custom 1 3/4" body lift, one dog,one cooler,one heavy foot,maps, and the will to wheel my kia with the rest of the offroad world