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Fuel Pump Pressure
- Disconnect negative battery terminal. Using a shop rag wrapped around main fuel hose, disconnect main fuel hose from fuel line. Connect a pressure gauge to fuel line. See Figure
. Reconnect negative battery terminal.
- Turn ignition on and jumper across 2 terminals of fuel pump test circuit connector. See Fig 1
. Fuel pump pressure should be 64-85 psi (4.5-6.0 kg/cm2
) for non-turbo model or 71-92 psi (5.0-6.5 kg/cm2
) for turbo model.
Courtesy of MAZDA MOTORS CORP.