The MEAT & DORIA 87473 Crankshaft Position Sensor is a critical component for modern engine management systems. It accurately measures the engine's crankshaft speed and position, 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 data from the crankshaft position sensor, the engine would not be able to run efficiently, or at all. It ensures smooth engine operation, optimal fuel economy, and reduced emissions. 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 dependable performance. Replacing a faulty crankshaft position sensor can resolve issues such as engine misfires, rough idling, stalling, and failure to start.