Reliability Summary

Engine 1NZ-FE/FXE — 92/100 BEST
Known Issues 3

Engine in this model

Known Issues Across All Engines

Issue Engine Severity Onset
Inverter coolant pump failure (older Prius) 1NZ-FE/FXE moderate 100,000 km – 200,000 km
Hybrid battery pack capacity fade 1NZ-FE/FXE moderate 150,000 km – 250,000 km
EGR valve carbon fouling (older models) 1NZ-FE/FXE minor 100,000 km – 180,000 km