Q:

What does a crankshaft sensor do?

A:

Quick Answer

Typically located in the timing cover or directly inserted into the lateral portion of the main block of an engine, the crankshaft sensor establishes the ignition timing for a vehicle. It also determines engine speed.

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Full Answer

As part of an engine monitoring system, the crankshaft sensor is essential in supplying the RPM signal to the vehicle's dashboard. Excessive heat can damage crankshaft sensors. A malfunctioning sensor can lead to the vehicle stalling or not being able to start at all.

A crankshaft sensor works in conjunction with a camshaft sensor in order to establish the proper injector synchronization and coil firing sequence for the vehicle.

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