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.
1994 Mazda B2300 SE, AutomaticFACTORY OEM SERVICE PROCEDURE
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) | ||
|---|---|---|---|---|
| B2300 & B3000 | 64-92 (4.5-6.5) | (1) | ||
|
||||
REGULATED FUEL PRESSURE
| Application | At Idle w/Vacuum psi (kg/cm2 ) | At Idle W/O Vacuum psi (kg/cm2 ) |
|---|---|---|
| B2300 & B3000 | 28-37 (2.0-2.6) | 30-45 (2.1-3.2) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.