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 MANUALSNISSAN-DATSUN2003FRONTIER BASE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONSFUEL SYSTEMFUEL PUMP
2003 Nissan-Datsun Frontier Base, Standard
Fuel Pump
2003 Nissan-Datsun Frontier Base, StandardSECTION Fuel Pump
FUEL PRESSURE
| Application | At Idle W/O Vacuum - psi (kg/cm2 ) | At Idle W/Vacuum - psi (kg/cm2 ) | ||
|---|---|---|---|---|
| Altima (2.5L & 3.5L), Maxima, Murano, Sentra (1.8L & 2.5L) & 350Z | (1) | 51 (3.57) | ||
| Frontier & Xterra | 43 (3.00) | 34 (2.40) | ||
| Pathfinder (3.5L) | 43 (3.00) | 34 (2.40) | ||
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FUEL PUMP RESISTANCE (1)
| Application | Resistance (Ohms) @ 77°F (25°C) | ||
|---|---|---|---|
| Altima, Murano, Sentra (2.5L) & 350Z | Approx. 1.0 | ||
| Maxima, Frontier, Xterra, Sentra (1.8L) & Pathfinder | 0.2-5.0 | ||
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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.