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Home >> GMC >> 1995 >> Forward Control 4.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - Basic Testing - 7.4L) >> A-7, Basic Fuel System Checks >> Fuel System Pressure Relief >> TBI Unit
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TBI Unit

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Fuel pressure is relieved and drops to zero when ignition is turned off. To minimize risk of fire and personal injury, cover area to be disconnected with a shop rag.