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Home >> Mazda >> 1971 >> 616 Eng CD NA, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Electric Fuel Pumps >> Testing >> Pressure Test

Pressure Test

Connect a suitable fuel pump pressure gauge to discharge side of pump. Switch ignition, on, but do not start engine. Pump is good if output pressure is 2.8-3.6 psi.