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Home >> GMC >> 1991 >> Forward Control 3.9 L, SM465/M20 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (PFI) >> Fuel System Pressure Relief >> Notes

Fuel System Pressure Relief: Notes

Fuel system is under pressure. Fuel pressure may be relieved by 2 different methods.