Cutlass V6-231 3.8L VIN A 2-bbl (1982)
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Air Injection Control Valve: Testing and Inspection
High Vacuum Air Control Valve
1. Start engine and allow to reach normal operating temperature.
2. With engine idling, apply a minimum of 10 in Hg vacuum to high vacuum mode assembly. Air should divert to air cleaner. If not, replace control
valve.
NOTE:
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SEE EMISSION CONTROL APPLICATION CHARTS to determine application of control switches and valves.
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Refer to the number stamped on the base of the switch or valve for calibrated switching or activation temperatures.