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volvo Workshop Repair Guides


V90 L6-2.9L VIN 96 B6304S (1998)

Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Fuel Delivery and Air Induction > Fuel Pump Relay > Component Information > Locations > Page 1563

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Fuel Pump Relay: Description and Operation

Control of Fuel Pump

The engine control module (ECM) activates the main relay (2/32) when the ignition is switched ON. At the same time the fuel pump (FP) relay (2/23)
is activated for one second to enable the fuel pump (6/33) to build up pressure.

Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Fuel Delivery and Air Induction > Fuel Pump Relay > Component Information > Locations > Page 1563

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