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Home >> Mercedes Benz >> 1987 >> 300E >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH Cis-E System >> Operation >> Coolant Temperature Sensor
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Coolant Temperature Sensor

The coolant temperature sensor is located in the cylinder head. The sensor has a 2-pin connector, one for Electronic Ignition System (EZL) and one for the CIS-E injection system.