Engine Temperature Sensor
Wire Colour: Grey/Blue and Black
The EMS STINGER 4 ECU can use the original engine temp sensor on the engine. You can calibrate the sensor to the ECU. The calibration can also be saved as a file and reused on other EMS ECUs.
It is important that the engine temperature readings be reliable and accurate. This information is used to add extra fuel in situations like engine warm-up, cold starting, and post-start enrichment. Engine temperature is also used to compensate the ignition timing.