Fuel Pump

NOTE: Fuel pump performance measures fuel pressure and volume availability, not regulated fuel pressure.

FUEL PUMP PERFORMANCE

Application

Pressure psi (kg/cm² )

Min. Vol. in 30 Sec. Pts. (L)

B2200 (Carbureted)

Electric Pump

2.8-3.6 (.20-.25)

1.1 (.66)

Mechanical Pump

3.7-4.7 (.26-.33)

.9 (.43)

Navajo

⁽¹⁾

.0 (.49)

RX7

71-92 (5.0-6.5)

⁽¹⁾

All Others

Main Fuel Pump

64-85 (4.5-6.0)

1.1 (.66)

Transfer Pump (Protege 4WD)

5.7 (0.4)

1.0 (.57)

⁽¹⁾	Information is not available.

REGULATED FUEL PRESSURE

Application

At Idle w/ Vacuum psi (kg/cm² )

At Idle w/o Vacuum psi (kg/cm² )

B2200 (PFI) & B2600i

28-37 (2.0-2.6)

38-46 (2.7-3.2)

Miata

31-38 (2.2-2.7)

38-46 (2.7-3.2)

MPV

30-37 (2.1-2.6)

38-46 (2.7-3.2)

MX-6 & 626

27-33 (1.9-2.3)

34-40 (2.4-2.8)

Navajo

⁽¹⁾

⁽²⁾

Protege & 323

30-37 (2.1-2.6)

38-46 (2.7-3.2)

RX7

27-33 (1.9-2.3)

34-40 (2.4-2.8)

929

31-38 (2.2-2.7)

38-46 (2.7-3.2)

⁽¹⁾	Pressure should be 30-45 psi (2.2-3.2 kg/cm² ) with engine running and 35-45 psi (2.5-3.2 kg/cm² ) with key on and engine off.

⁽²⁾	Information is not available.