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Home >> Chevrolet >> 1987 >> Forward Control 5.7 M, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - TBI >> Overhaul >> Disassembly (Model 220) >> Throttle Body
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Throttle Body

Remove throttle position sensor. Invert throttle body assembly and place on clean, flat surface. Remove screws and idle air control valve (7.4L engine) or remove idle air control valve by using a 1-1/4" (32 mm) wrench.