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Home >> GMC >> 1992 >> Value Van 4.3 Z, Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Gasoline) >> Fuel System Pressure Relief (TBI) >> TBI Unit Model 220

TBI Unit Model 220

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

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