Fuel Pump
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1998 Mazda Protege, 1998 Mazda Millenia, 1998 Mazda MPV, 1998 Mazda B4000, and 1998 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Fuel pump performance measures fuel pressure, not regulated fuel pressure.
FUEL PUMP PERFORMANCE
| Application | Pressure psi (kg/cm2 ) |
|---|---|
| B2500, B3000 & B4000 | 55-71 (3.8-5.0) |
| Millenia | 71-92 (5.0-6.5) |
| MPV | 64-92 (4.5-6.5) |
| 626 | 71-92 (5.0-6.5) |
| Protege | 64-92 (4.5-6.5) |
REGULATED FUEL PRESSURE
| Application | At Idle W/Vacuum psi (kg/cm2 ) | At Idle W/O Vacuum psi (kg/cm2 ) | |||
|---|---|---|---|---|---|
| B2500, B3000 & B4000 | (1) | (1) | |||
| Millenia | |||||
| 2.3L | 30-41 (2.1-2.9) | 41-48 (2.8-3.4) | |||
| 2.5L | 30-38 (2.1-2.7) | 38-46 (2.7-3.2) | |||
| MPV | 30-37 (2.1-2.6) | 38-46 (2.7-3.2) | |||
| 626 | 30-37 (2.1-2.6) | 38-46 (2.7-3.2) | |||
| Protege | 28-34 (2.0-2.4) | 40-46 (2.8-3.2) | |||
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