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The TOPRAN 623 103 crankshaft impulse sender is designed to provide precise signals to your engine control unit (ECU). This component is crucial for determining the rotational speed and position of the crankshaft, enabling the ECU to manage ignition timing and fuel injection. Crafted with quality materials, this sender is built for durability and reliable operation. Its design adheres to strict manufacturing standards, ensuring it functions effectively within your vehicle's existing electrical system. Proper functioning of the crankshaft impulse sender is vital for smooth engine operation, fuel efficiency, and overall vehicle performance. Replacing a faulty sender with this TOPRAN part can resolve issues such as engine misfires, stalling, or starting problems.