Fuel Pump

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Mazda Tribute, 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, and 2002 Mazda MX-5 Miata. 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 )
B2300, B3000 & B4000		56-72 (3.9-5.1)
Miata		92 (6.5)
Millenia
2.3L		91-116 (6.4-8.2)
2.5L		71-92 (5.0-6.5)
MPV		61-66 (4.3-4.6)
Protege & Protege5		64-92 (4.5-6.5)
Tribute		35-55 (2.5-3.9)
626		68-92 (4.8-6.5)

REGULATED FUEL PRESSURE

Application

At Idle W/ Vacuum psi (kg/cm² )

At Idle W/O Vacuum psi (kg/cm² )

B2300, B3000 & B4000

⁽¹⁾

Miata

⁽²⁾

Millenia

2.3L

30-41 (2.1-2.9)

40-48 (2.8-3.4)

2.5L

30-38 (2.1-2.7)

38-46 (2.7-3.2)

MPV

⁽²⁾

Protege & Protege5

30-37 (2.1-2.6)

38-46 (2.7-3.2)

Tribute

⁽¹⁾

626

2.0L

30-38 (2.1-2.7)

37-47 (2.6-3.3)

2.5L

30-37 (2.1-2.6)

38-46 (2.7-3.2)

⁽¹⁾	Information not available from manufacturer.

⁽²⁾	Due to adoption of mechanical returnless fuel system, the pressure regulator cannot be inspected separately.