A knock sensor is a tool utilized in inside combustion engines to stumble on the presence of knocking, which is an atypical combustion match that may injury the engine. Knocking happens when the air-fuel combination within the cylinder ignites upfront, inflicting a speedy build up in drive that may injury the engine’s pistons, valves, and bearings.
Knock sensors are usually fastened at the engine block or cylinder head, they usually use a piezoelectric crystal to stumble on the vibrations brought about via knocking. When knocking is detected, the knock sensor sends a sign to the engine’s digital keep an eye on unit (ECU), which then adjusts the engine’s timing or gas combination to scale back or do away with knocking.
