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Home >> GMC >> 1994 >> Forward Control 5.7 K, L05, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - Gasoline >> A-7, Basic Fuel System Checks >> Fuel System Pressure Test >> Notes
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Fuel System Pressure Test: Notes

WARNING: Begin fuel system trouble shooting and diagnosis with fuel system pressure test. Relieve fuel system pressure before disconnecting any components or installing fuel pressure gauge.
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