Check engine light on and vehicle running rough? Could be a failed knock sensor. This ignition knock sensor kit combines both necessary sensors and the wiring harness that joins them for a complete repair in one package. Complete solution this knock sensor kit includes two knock sensors and the wiring harness that connects them Plugandplay installation matches original wiring harness, requiring no cutting or splicing Quality assured benchmarked against original components for performance and quality Excellent value original equipment quality at significant cost savings Ensure fit to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool