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Home >> Cadillac >> 2005 >> STS 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.6L (LH2) - Introduction >> Description and Operation >> Fuel System Description >> Fuel Pump
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Fuel Pump

The electric fuel pump is a turbine pump which is located inside of the modular fuel sender. The electric fuel pump operation is controlled by the engine control module (ECM) through the fuel pump relay.