37521 Coolant Temperature Sensor
FEBI 37521 Coolant Temperature Sensor with seal and retaining spring
| Category | Engine / Electric / Sensors |
| Brand | Audi |
| Cross-references | 058 919 501 A | 058 919 501 A S1 | 058919501A | 058919501AS1 |
Engine management systems are monitored and controlled by sensors and the technology that enables them.
A sensor is a device that can collect one or more physical properties, such as temperature, position, movement, speec, etc., and turn them into an electronically useful signal that the ECU can handle.
The internal combustion engine is controlled by actuators, which translate electrical output signals from the ECU into physical quantities. This allows for improved performance, economy, and efficiency. Parts like fuel injectors, ignition coils, and electro pneumatic valves fall under this category. To povide the ECU more control, actuators communicate feedback on factors like position, power usage, and load.
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