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Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Basic Testing - 7.4L >> A-7, Basic Fuel System Checks >> Fuel System Pressure Relief >> Notes
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Fuel System Pressure Relief: Notes

CAUTION: 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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