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Home >> Toyota >> 1986 >> 4Runner SR5, 22-RTE >> Repair and Diagnosis >> Engine Performance >> System >> Air Cleaner - Thermostatic >> Description

Air Cleaner - Thermostatic: Description

The hot air intake (HAI) system adds hot air to carburetor in cold weather to improve driveability and prevent carburetor icing. Vehicles use a separate thermal vacuum valve to operate heated air door.