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Home >> GMC >> 1998 >> Forward Control 5.7 R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.7L >> Diagnostic Trouble Codes >> DTC P0461 - Fuel Level Sensor Circuit Performance >> Circuit Description

Circuit Description

Fuel level sensor information is used by VCM to determine volume of fuel in fuel tank. Fuel level affects rate or change in air pressure in EVAP system.

Conditions for setting DTC: