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Home >> Isuzu >> 1986 >> Trooper II LS, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing - Diesel >> Component Testing >> Coolant THERMO Switch

Coolant THERMO Switch

Place thermo switch in water. Raise water temperature. Connect an ohmmeter and check for continuity above 131°F (50°C). If not, replace coolant thermo switch.