400E (124.034) V8-4.2L (119.975) (1992)
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Air Injection Control Valve: Description and Operation
PURPOSE
The LH control unit controls air injection via the air injection pump switchover valve (Y32). The switchover valve connects the air injection
shut-off valve (126) to vacuum from the intake manifold.
LOCATION
The valve is located in engine compartment on passenger side front corner of vehicle.
OPERATION
When the LH control unit energizes the switchover valve, the valve opens and vacuum reaches the air injection shut-off valve.
