Engine Code

TOYOTA 2NR-FKE engine (2015–Present) – Specs, Problems & Compatibility Database

The Toyota 2NR-FKE is a 1,496 cc, inline‑four petrol engine produced from 2015 to present. It features an aluminium block and head, dual overhead camshafts (DOHC), and Toyota's VVT-iW (Variable Valve Timing-intelligent Wide) system. This engine delivers approximately 77 kW (105 PS) and 138 Nm of torque, engineered for optimal fuel efficiency and responsive low-end power.

Fitted primarily to the Yaris, Vios, and Sienta, the 2NR-FKE was designed for urban drivers seeking maximum fuel economy without sacrificing drivability. Emissions compliance for its era is achieved through high thermal efficiency, cooled exhaust gas recirculation (EGR), and a three-way catalytic converter, meeting Euro 6 and equivalent global standards.

One documented concern is carbon buildup on the intake valves, a common trait of direct injection engines, which can lead to rough idle and reduced performance. This issue, addressed in Toyota Service Bulletin ENG-045-18, is linked to the absence of fuel washing over the valves. Toyota recommends periodic intake cleaning and adherence to specified fuel and oil grades to mitigate this.

Toyota Engine
Compliance Note:

Production years 2015–Present meet Euro 6 standards and equivalent global emissions regulations (Toyota Emissions Certification TEC-15-2NR).

2NR-FKE Technical Specifications

The Toyota 2NR-FKE is a 1,496 cc inline‑four direct injection petrol engine engineered for subcompact hatchbacks and MPVs (2015-Present). It combines Atkinson cycle operation with VVT-iW technology to deliver exceptional fuel efficiency and smooth, linear power delivery. Designed to meet Euro 6 and equivalent global standards, it prioritises low emissions and running costs over ultimate performance.

ParameterValueSource
Displacement1,496 cc
Fuel typePetrol
ConfigurationInline‑4, DOHC, 16‑valve
AspirationNaturally aspirated
Bore × stroke72.5 mm × 90.6 mm
Power output77 kW (105 PS) @ 6,000 rpm
Torque138 Nm @ 4,200 rpm
Fuel systemDirect injection (D-4S with port assist)
Emissions standardEuro 6 / Global equivalents
Compression ratio13.5:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemChain-driven
Oil typeAPI SN/SP, SAE 0W-20
Dry weightNot specified in primary sources
Practical Implications

The VVT-iW system enables seamless switching between Otto and Atkinson cycles, maximizing fuel economy but requiring strict adherence to 10,000 km oil change intervals using 0W-20 oil to protect the variable valve timing actuators. The D-4S fuel system (direct and port injection) helps mitigate, but does not eliminate, intake valve carbon buildup. Periodic induction cleaning every 60,000-80,000 km is recommended. The high 13.5:1 compression ratio demands high-octane (95 RON) fuel for optimal performance and knock prevention.

Data Verification Notes

Oil Specs: Requires API SN/SP 0W-20 specification oil (Toyota Repair Manual RM2NR-15). Critical for VVT-iW system function and fuel economy.

Emissions: Certification applies to all models manufactured 2015-Present (Toyota Emissions Certification TEC-15-2NR).

Power Ratings: Measured under JIS D 1001 standards. Output figures are net ratings for production vehicles (Toyota Group PT-2020).

Primary Sources

Toyota Repair Manual (RM2NR-15)

Toyota Electronic Parts Catalogue (EPC-2NR-15)

Toyota Service Bulletin Database (ENG-045-18)

Toyota Group Product Technical Data (PT-2020)

2NR-FKE Compatible Models

The Toyota 2NR-FKE was used across Toyota's XP/NSP platforms with transverse mounting. This engine received minor platform-specific adaptations, such as different engine mounts or accessory brackets, but no major facelift revisions affecting core compatibility occurred. All adaptations are documented in OEM technical bulletins.

Make:
Toyota
Years:
2015–Present
Models:
Yaris (XP150)
Variants:
1.5 V, 1.5 G
View Source
Toyota EPC Doc. EPC-2NR-15
Make:
Toyota
Years:
2016–Present
Models:
Vios (XP150)
Variants:
1.5 E, 1.5 G
View Source
Toyota EPC Doc. EPC-2NR-15
Make:
Toyota
Years:
2015–Present
Models:
Sienta (NP170)
Variants:
1.5 G, 1.5 Q
View Source
Toyota EPC Doc. EPC-2NR-15
Identification Guidance

Locate the engine code stamped on the flat machined surface on the front of the cylinder block, near the alternator (Toyota Repair Manual RM2NR-15). The 2NR-FKE can be visually identified by its DOHC valve cover with 'VVT-iW' marking and the direct injection fuel rail on the intake manifold. Critical differentiation from the 2NR-FE: The FKE variant features the more advanced VVT-iW system on the intake cam (allowing Atkinson cycle) and a higher 13.5:1 compression ratio, compared to the FE's 11.5:1 and standard VVT-i.

Identification Details

Evidence:

Toyota Repair Manual RM2NR-15

Location:

Stamped on the front face of the engine block, near the alternator (Toyota Repair Manual RM2NR-15).

Visual Cues:

  • DOHC valve cover with 'VVT-iW' logo
  • Direct injection fuel rail visible on intake manifold
Compatibility Notes

Evidence:

Toyota EPC Doc. EPC-2NR-15

Fuel System:

The D-4S injectors (both port and direct) are specific to the 2NR-FKE and not interchangeable with the 2NR-FE.

Oil Specification:

Using oil other than the specified 0W-20 can cause VVT-iW system malfunction and reduced fuel economy.

Common Reliability Issues - TOYOTA 2NR-FKE

The 2NR-FKE's primary reliability consideration is intake valve carbon buildup, a common trait of GDI engines, with elevated incidence in vehicles subjected to frequent short trips. Toyota service data indicates this is a maintenance item rather than a failure, while owner reports frequently cite sensitivity to oil viscosity as a common operational issue. Extended oil change intervals and use of incorrect oil specification can exacerbate VVT-iW system wear.

Intake valve carbon buildup
Symptoms: Rough idle, hesitation during acceleration, reduced fuel economy, illuminated check engine light (misfire codes).
Cause: Lack of fuel washing over intake valves due to direct injection, allowing oil vapors from the PCV system to bake onto hot valve stems.
Fix: Perform periodic walnut shell blasting or chemical induction cleaning of the intake valves. Use Top Tier detergent gasoline to help minimize buildup.
VVT-iW actuator issues
Symptoms: Rattling noise from front of engine (especially on cold start), check engine light (camshaft position codes), reduced power or fuel economy.
Cause: Wear or sticking of the variable valve timing actuator, often accelerated by using incorrect oil viscosity or extended oil change intervals.
Fix: Replace the faulty VVT-iW actuator. Ensure correct 0W-20 oil is used and change intervals are strictly adhered to.
High-pressure fuel pump failure
Symptoms: Engine cranks but will not start, loss of power, check engine light (fuel pressure codes), whining noise from fuel pump.
Cause: Internal wear or failure of the mechanical high-pressure fuel pump, which supplies the direct injectors.
Fix: Replace the high-pressure fuel pump assembly with a genuine Toyota unit. This is a known wear item on high-mileage examples.
Coolant thermostat failure
Symptoms: Engine takes too long to warm up, or overheats, fluctuating temperature gauge, poor heater performance.
Cause: Failure of the electronically controlled thermostat to open or close properly.
Fix: Replace the thermostat assembly. This is a common failure point on many modern Toyota engines.
Research Basis

Analysis derived from Toyota technical bulletins (2015-Present) and aggregated owner workshop reports (2016-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about TOYOTA 2NR-FKE

Find answers to most commonly asked questions about TOYOTA 2NR-FKE.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

All specifications and compatibility data verified against officialTOYOTA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .

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