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Home >> Mazda >> 1984 >> B2000 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Pump - Electric >> Testing >> Pressure Test >> Fuel Pump (Carburetted Models)

Fuel Pump (Carburetted Models)

  1. Remove air cleaner assembly and disconnect fuel line at carburetor. Connect pressure gauge with restrictor and a flexible hose. See Fig 1 . Disconnect connector from fuel pump cut relay and connect a jumper wire. See Fig 2 .
  2. Turn ignition on and briefly vent the system into container by opening hose restrictor. Pressure should stabilize at 2.8-3.6 psi (.19-.25 kg/cm2 ). If not within specifications, and lines and filter are in satisfactory condition, replace pump.
    Fig 1: Fuel Pump Pressure and Volume Test
    G34721
    Fig 2: Installing Jumper Wire
    G35121