Walker Products Camshaft Position Sensor 235-1121 Replacement for OE K56041020

Determines the camshaft position Sends camshaft position information to the onboard computer The computer uses this and other inputs to calculate injector on time and ignition timing Symptoms of failure include a check engine light, hard starting and/or poor vehicle drivability International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.