Acdelco Gm Original Equipment 213-1576 Ignition Knock (Detonation) Sensor

An Acdelco Gm Original Equipment Ignition Knock (Detonation) Sensor Monitors The Engine For Pinging Or Spark Knock, And Is A Gm-Recommended Replacement For Your Vehicle’S Original Component. The Sensor Creates A Voltage Signal Based On The Vibrations Caused By Erratic Air/Fuel Mixture Combustion; The Engine Control Module Uses This Signal To Adjust The Ignition Timing And Air/Fuel Mixture. This Original Equipment Ignition Knock Sensor Has Been Manufactured To Fit Your Gm Vehicle, Providing The Same Performance, Durability, And Service Life You Expect From General Motors.