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1993 B2200 & B2600i Coolant Temperature Sensor

Coolant Temperature Sensor

Remove engine coolant temperature sensor. Place sensor and thermometer in container of coolant. Connect ohmmeter to sensor terminals. Slowly heat coolant. Note resistance at specified temperatures. See appropriate ECT SENSOR RESISTANCE table. Replace sensor as necessary.

Temperature Ohms
 -4 F     (-20C)
 68 F     (20 C)
176 F     (80 C)
14,500- 17,800
2,200 - 2,700

200 - 400