Essential Component: Crankshaft Position Sensor

The crankshaft position sensor is a crucial component in the engine management system, acting as the engine's heartbeat monitor. This part is pivotal in providing the engine control unit (ECU) with vital data regarding the position and rotational speed of the crankshaft. This information is necessary for accurate fuel injection timing and ignition system coordination, ensuring optimal engine performance and fuel efficiency.

How It Works

This sensor employs magnetic or Hall effect technology to monitor the position of the crankshaft as it rotates. It sends precise signals to the ECU, enabling synchronization of the engine's fuel injection system and ignition timing. This precise data is essential to maximize power output and ensure smooth engine operation.

Consequences of a Faulty Sensor

If the crankshaft position sensor fails, the ECU may receive inaccurate or no data, leading to engine misfires, reduced power, stalling, or even a no-start condition. In the worst-case scenario, an unresolved issue may cause engine damage due to improper fuel injection and timing. Early detection and replacement of a malfunctioning sensor are therefore crucial to maintain the longevity and performance of your engine.

Compatible Models

• Q40/G Sedan
• Qx50/Ex
• Q60/G Convertible
• Qx60/Jx
• Qx70/Fx
• Q70/M
• Q50
• Q60/G Coupe
• G37 Sedan
• Q70/M Hybrid
• Qx50
• Q70(201802-)Lam
• M