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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel System >> Fuel Delivery >> Fuel Pump Relay
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Fuel Pump Relay

Fuel pump relay receives voltage from ignition switch when switch is in ON position. Relay is energized when ground is supplied by ECM. Battery voltage is then supplied to fuel pump.

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