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Home >> Cadillac >> 2005 >> STS 3.6 7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.6L (Ly7) - Introduction >> Description and Operation >> Fuel System Description >> Fuel Pump Relay

Fuel Pump Relay

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.

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