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Home >> Lexus >> 1997 >> SC 400 >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Theory & Operation) >> Fuel System >> Fuel Delivery >> Fuel Pump Control

Fuel Pump Control

WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.

Fuel pump comes on when fuel pump ECU supplies voltage to fuel pump. The ECM controls the fuel pump ECU.

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