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Home >> Chevrolet >> 1990 >> Step Van 6.2 J, Automatic, 3L80-HD/M40 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing >> Fuel System Pressure Test >> Fuel Pump Relay By-Pass Procedure
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Fuel Pump Relay By-Pass Procedure

See FUEL DELIVERY in SYSTEM/COMP TESTS article.