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Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls - Remove/Install/Overhaul - 4.3L) >> Fuel System >> Fuel System Pressure Relief (TBI)

Fuel System Pressure Relief (TBI)

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Disconnect negative battery cable. Loosen fuel filler cap to relieve fuel tank pressure. Fuel pressure is relieved and drops to zero when ignition is turned off. However, to minimize risk of fire and personal injury, cover area to be disconnected with a shop rag.