Nissan Pathfinder 2.5 dCi R51 — Reliability

R51 SUV Large SUV 2006–2014 2 engines

Reliability Summary

Best engine YD25DDTi — 74/100 ACCEPTABLE
Worst engine V9X — 58/100 CAUTION
Average reliability 66/100

Engine Comparison

Engine Reliability Score Verdict Known Issues
YD25DDTi
YD25 2.5 dCi 		74/100 ACCEPTABLE Timing chain stretch or breakage +2
V9X
V9X 3.0 dCi V6 		58/100 CAUTION Timing chain stretch — engine-out replacement +5

Engines in this model

ACCEPTABLE 74

YD25DDTi

YD25 2.5 dCi

Nissan's 2.5 dCi common-rail diesel in the Navara D40, Pathfinder R51 and Murano Z51 (171-174 hp fro...

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CAUTION 58

V9X

V9X 3.0 dCi V6

Renault-Nissan 3.0 V6 diesel: Navara D40, Pathfinder R51, Laguna III, Latitude, Infiniti EX/FX/M30d....

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Known Issues Across All Engines

Issue Engine Severity Onset
Timing chain stretch or breakage YD25DDTi critical —
Common-rail injector wear YD25DDTi moderate 150,000 km
EGR valve sooting YD25DDTi moderate —
Timing chain stretch — engine-out replacement V9X high 100,000 km – 150,000 km
Crankshaft bearing spin if oil pressure drops V9X high —
Injector failure (6 injectors) V9X high 100,000 km – 180,000 km
Oil-control rings stick — oil consumption V9X moderate 100,000 km
EGR valve and cooler clogging V9X moderate —
Intercooler leak V9X minor 50,000 km – 70,000 km

FAQ

Is the Nissan Pathfinder 2.5 dCi reliable?

The Nissan Pathfinder 2.5 dCi has 2 engine options with reliability scores ranging from 58/100 (CAUTION) to 74/100 (ACCEPTABLE). Average reliability: 66/100.

Which Nissan Pathfinder 2.5 dCi engine is most reliable?

The YD25DDTi is the most reliable engine in the Nissan Pathfinder 2.5 dCi, scoring 74/100 (ACCEPTABLE).

What problems does the Nissan Pathfinder 2.5 dCi have?

Across all engine variants, the Nissan Pathfinder 2.5 dCi has 9 known issues. The most common are related to Timing chain stretch or breakage, Common-rail injector wear, EGR valve sooting.