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Home >> Chevrolet >> 1981 >> Luv 2.2L Eng VIN S, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Catalytic Converter And Over-Temperature Control System >> Operation >> THERMO Sensor And THERMO Controller
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THERMO Sensor And THERMO Controller

Thermo sensor is inserted into converter, in a special stainless steel sheath, to determine converter temperatures. This device sends "on" or "off" electrical signals to the thermo controller, which sends signal to energize or de-energize solenoid portion of vacuum switching valve.

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