HELLA

009107941

HELLA 009107941 Engine Coolant Temperature Sensor

EAN: 4082300638592

Engine Temperature

Provides the performance and dependability you expect from Hella
Designed and manufactured to meet or exceed OE specifications in form, fit and function
BMW Applications

Most coolant temperature sensors operate using electrical resistance to measure the temperature of the coolant. This signal is then sent to the computer so that changes can be made to the engine's timing and fuel calculations for optimal performance, as engines require more fuel when they are cold, and less fuel when they are fully warmed up. The computer will also scale back engine performance settings if it detects that the engine temperature is too high, in order to protect the engine from possible damage due to overheating. Because temperature plays such a vital role in engine performance calculations, any problem with the coolant temperature sensor can quickly translate into an engine performance issues. Usually a problem with the coolant temperature sensor will cause a few symptoms that alert the driver of a potential problem that should be thoroughly inspected. 1. Poor fuel economy. 2. Black smoke from engine. 3. Overheating engine. 4. Check engine light comes on.

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