Ignition Knock (Detonation) Sensor
Knock Sensors (KS) are sensors that detect engine block vibrations caused from engine knock and sends a signal to the vehicles onboard computer to retard engine timing. The knock sensor is located on
Brand: Walker
Walker 242-1053 Ignition Knock(Detonation) Sensor Fits select: 2003-2005 CHEVROLET TRAILBLAZER, 2004-2006 CHEVROLET COLORADO