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Home >> Plymouth >> 1986 >> Conquest 2.6 H, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> ECI System >> Testing >> ECI Inspection Test >> Diagnostic Check Number 7 (Coolant Temperature Sensor)

Diagnostic Check Number 7 (Coolant Temperature Sensor)

Coolant temperature sensor should be under .1 volts or over 4.5 volts. Check wire harness and connector, water temperature sensor and ECU.