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plymouth Workshop Repair Guides

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Air Injection Control Valve: Description and Operation

Fig. 6 Coolant vacuum switch cold open (CVSCO)

    The CVSCO,Fig. 6, provides manifold vacuum to the system after a cold start until engine coolant temperature reaches a predetermined level. After
the coolant temperature reaches this level, the switch closes and vacuum is cut-off from the air switching system. The CVSCO is mounted in the
thermostat housing.

Powertrain Management > Emission Control Systems > Air Injection > Air Injection Control Valve > Component Information > Description and Operation

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