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Home >> Volvo >> 1993 >> 940 Base, 4D Sedan, AW70 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Relays >> Fuel Injection Main Relay
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Fuel Injection Main Relay

Connect voltmeter between fuel injection ECU terminal No. 9 and ground. Connect a jumper wire between fuel injection ECU terminal No. 21 and ground. Relay should close and voltmeter should indicate battery voltage. Replace as necessary.

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