1NZ-FXE
Toyota · 1.5L Hybrid I4
2000–present
"Original Prius/Aqua/Yaris Hybrid. Atkinson cycle + electric motor. Millions of taxis prove 500k+ km is routine."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 3
Inverter coolant pump failure (older Prius)
▸Hybrid warning, reduced power, warm-up issues
Pre-2010 Prius has separate inverter coolant circuit with its own pump. Can fail silently causing inverter damage.
Pre-2010 Prius in Greece: replace inverter coolant pump at 120k km preventively. €200-600.
Hybrid battery pack capacity fade
▸Reduced fuel economy, battery bars showing low, shorter electric range
Battery capacity fades over time and cycles. Individual cell replacement possible. Toyota extended warranty in many markets.
At 200k+ km expect battery attention. Cell replacement €800-1500. Full replacement €2,500-3,000. Reconditioning specialists exist in Greece.
EGR valve carbon fouling (older models)
▸Rough idle, check engine light
Older 1NZ-FXE can have EGR fouling at very high mileage.
Low concern for typical Greek examples. Well-known fix at Toyota workshops.
Models with 1NZ-FXE 2
Other Toyota Engines
Tuning Potential
N/A - hybrid system
Frequently Asked Questions
Is the Toyota 1NZ-FXE reliable?
The Toyota 1NZ-FXE scores 92/100 with a verdict of BEST. It has 3 documented issues with total repair costs between €1,200 and €4,100.
What are the common problems with the 1NZ-FXE?
The most common issues are:
- Inverter coolant pump failure (older Prius) — moderate, repair cost €200–€600, 100,000 km–200,000 km
- Hybrid battery pack capacity fade — moderate, repair cost €800–€3,000, 150,000 km–250,000 km
- EGR valve carbon fouling (older models) — minor, repair cost €200–€500, 100,000 km–180,000 km
What cars use the Toyota 1NZ-FXE?
The 1NZ-FXE is found in:
- C-HR 1.8 Hybrid (2016–2022)
- Yaris 1.5 Hybrid (2012–2020)
How much does it cost to repair the 1NZ-FXE?
Total potential repair costs for all 3 known issues range from €1,200 to €4,100. The most expensive issue is typically .
What years was the 1NZ-FXE produced?
The Toyota 1NZ-FXE was produced from 2000 to present. It is a 1497cc I4 hybrid engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.