2026-10-08 · 5 min read
Nissan Navara Fuel Pump Malaysia — YD25 Diesel
YD25DDTi uses a high-pressure common-rail diesel fuel system. The system includes an electric in-tank lift pump and a high-pressure CP3 injection pump. Fuel filter contamination is the leading cause of fuel pump and injector damage — change every 20,000 km. Using contaminated or water-diluted diesel accelerates pump wear significantly.
Navara Fuel Pump
- In-tank fuel pump — lifespan 100,000–150,000 km
- Keep fuel above quarter tank — low fuel reduces cooling of in-tank pump
- Failing pump: hard start, stalling under load, or lean fuel codes
- Replace fuel filter (external, if fitted) at 40,000 km — improves pump longevity