Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMAZDA1993MPV BASE, 3D VAN WAGON, 2.6 1REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROLS - SPECIFICATIONSFUEL SYSTEMFUEL PUMP

1993 Mazda MPV Base, 3D Van Wagon, 2.6 1

Fuel Pump

1993 Mazda MPV Base, 3D Van Wagon, 2.6 1SECTION 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⁾

.95 (.49)

MX-6 & 626 (2.5L)

72-92 (5.5-6.5)

⁽¹⁾

All Others

64-92 (4.5-6.5)

⁽¹⁾

⁽¹⁾	Information is not available from manufacturer.

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, MX-6 & 626

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-3, Protege & 323

30-37 (2.1-2.6)

38-46 (2.7-3.2)

RX7

27-32 (1.9-2.3)

36-38 (2.5-2.7)

Navajo

⁽¹⁾

⁽²⁾

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 ignition on and engine off.

⁽²⁾	Information is not available from manufacturer.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.