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Home >> Jaguar >> 1990 >> Sovereign L6-4.0L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Relays and Modules - Emission Control Systems >> Air Injection Pump Relay >> Description and Operation
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Air Injection Pump Relay: Description and Operation

PURPOSE
ECU regulates air injection system through control of air pump relay.

OPERATION
Relay energizes both air pump electric clutch and vacuum solenoid valve controlling diverter valve function.

LOCATION
Left front corner of engine compartment near radiator.

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