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Home >> Saturn >> 2003 >> L200 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel Systems >> Fuel Control >> Notes

Fuel Control: Notes

The Powertrain Control Module (PCM) monitors voltages from several sensors in order to determine how much fuel to give the engine. The fuel is delivered under one of several conditions called modes. The PCM controls all modes.