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Home >> Saturn >> 2000 >> LS1 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0461: Fuel Level Sensor Circuit Performance >> Circuit Description

Circuit Description

PCM monitors resistance of fuel level sensor to calculate amount of fuel in the tank and provides voltage to fuel level sensor through a resistor network and a return to PCM ground.

DTC will set if fuel level changes by less than 1.6 percent while driving 120 miles.

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