This TOPRAN crankshaft position sensor (part code 117 178) is designed to provide accurate readings of the crankshaft's rotational speed and position. This data is crucial for the engine control unit (ECU) to manage ignition timing, fuel injection, and other vital engine functions. A faulty sensor can lead to engine misfires, rough idling, poor acceleration, and even a no-start condition. Replace with this quality TOPRAN part to restore optimal engine performance and drivability.