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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 3.6L - Introduction) >> Description and Operation >> Fuel System Description >> Fuel Pump Relay

Fuel Pump Relay

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The fuel pump relay allows the ECM to energize the fuel pump. The ECM enables the fuel pump whenever the crankshaft position (CKP) sensor pulses are detected.