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.
1993 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Pump
REGULATED FUEL PRESSURE
| Application | At Idle W/O Vacuum psi (kg/cm2 ) | At Idle W/ Vacuum psi (kg/cm2 ) |
|---|---|---|
| Altima | 43 (3.0) | 34 (2.4) |
| Maxima | 44 (3.1) | 36 (2.5) |
| NX & Sentra | 43 (3.0) | 36 (2.5) |
| Pathfinder | 43 (3.0) | 34 (2.4) |
| Pickup | 43 (3.0) | 33 (2.3) |
| Quest | 43 (3.0) | 34 (2.4) |
| 240SX | 43 (3.0) | 34 (2.4) |
| 300ZX | 43 (3.0) | 36 (2.5) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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