Index Chrysler Chrysler Town & Country/Voyager, Dodge Caravan, Plymouth Voyager - service repair manual 1992 year
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(5) To test the diaphragm, apply 20 inches of vacuum to the diaphragm with vacuum pump tool number (6) If the vacuum diaphragm does not perform ad- equately, replace the heated air assembly. (7) If the vacuum diaphragm performs adequately but proper temperature is not maintained, replace the HEATED AIR TEMPERATURE SENSOR SER- REMOVAL With air cleaner housing removed from vehicle: retainer clips (Fig. 4), and discard (new clips are (2) Remove sensor with gasket and discard. INSTALLATION (1) Position gasket on the sensor. Install sensor (Fig. 5). (2) While supporting the sensor on outer diameter, install new retainer clips securely. Ensure the gasket HEATED OXYGEN SENSOR (O 2 SENSOR) The O 2 sensor threads into the exhaust manifold. It provides an input voltage to the engine controller. The uses this information to fine tune the air-fuel ratio by The O 2 sensor produces voltages from 0 to 1 volt, depending upon the oxygen content of the exhaust gas Fig. 6 Oxygen Sensor—2.5L Engine Fig. 3 Testing Vacuum Diaphragm on Heated Air In- let Systems Fig. 4 Removing Sensor Clips Fig. 5 Installing Gasket and Sensor . EMISSION CONTROL SYSTEMS 25 - 9 |