The MEAT & DORIA 87124 Crankshaft Position Sensor is a critical component for your vehicle's engine management system. It accurately monitors the rotational speed and position of the crankshaft, providing vital data to the engine control unit (ECU). This sensor's input is fundamental for the ECU to precisely control ignition timing and fuel injection. Without accurate crankshaft position data, the engine cannot run efficiently, leading to poor performance, stalling, or failure to start. MEAT & DORIA is known for producing reliable automotive components. This sensor is designed to meet or exceed original equipment specifications, ensuring a proper fit and function. Replacing a faulty crankshaft position sensor can resolve issues such as check engine lights, rough idling, and poor fuel economy.