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Home >> Toyota >> 1987 >> 4Runner SR5, 22-RTE >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Troubleshooting >> Incorrect Temperature Output

Incorrect Temperature Output

Check for the following conditions: Control cables broken or binding. Heater hoses leaking or clogged. Coolant pump faulty. Air dampers broken. Air ducts clogged. Heater core leaking or clogged. Heater control faulty.

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