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What is the engine code for 2018 Lexus NX300?

The engine code for the 2018 Lexus NX300 is 8AR-FTS. This designation identifies the turbocharged 2.0-liter inline-four engine used in that model year.


In practical terms, 8AR-FTS pinpoints the NX300’s powerplant as part of Toyota’s AR-series engines and distinguishes it from the NX300h’s hybrid setup. This code helps technicians and enthusiasts confirm the exact gasoline engine variant installed in the 2018 NX300.


What the 8AR-FTS engine code indicates


Key details about the NX300’s engine code are summarized below.



  • 2.0-liter turbocharged inline-4 engine

  • Direct fuel injection with a twin-scroll turbocharger

  • Part of Toyota/Lexus AR-series engine family

  • Used in the NX300 (and NX200t in earlier years) to power the gasoline variant


In short, 8AR-FTS identifies the turbocharged four-cylinder powerplant that underpins the NX300’s gasoline driving experience, differentiating it from the hybrid NX300h variant.


How to verify the engine code on your NX


To verify the engine code on a 2018 NX300, check the engine block stamping, the vehicle’s data plate in the engine bay, or the official documentation and VIN/ECU data. For the NX300’s gasoline turbo engine, the expected code is 8AR-FTS.


Summary


The 2018 Lexus NX300 uses the 8AR-FTS engine code, denoting a 2.0-liter turbocharged inline-4 powerplant. This distinguishes it from the NX300h’s hybrid engine, which uses a different code. The 8AR-FTS designation helps owners and technicians identify the specific gasoline engine variant in this model year.

What engine is in the Lexus NX 300?


The Lexus NX 300 is equipped with a 2.0-liter turbocharged inline 4-cylinder engine that produces 235 horsepower and 258 lb-ft of torque, paired with a 6-speed automatic transmission. A hybrid version, the NX 300h, is also available and features a 2.5-liter four-cylinder engine combined with electric motors for a total output of 194 horsepower.
 

  • NX 300 engine: 2.0L turbocharged inline 4-cylinder 
    • Horsepower: 235 hp 
    • Torque: 258 lb-ft 
    • Transmission: 6-speed automatic 
  • NX 300h (hybrid) engine: 2.5L 4-cylinder with electric motors 
    • Combined horsepower: 194 hp 
    • Transmission: ECVT (electronically controlled continuously variable transmission) 



What engine does the 2018 Nx 300 have?


2.0-liter four-cylinder engine
The NX 300's 2.0-liter four-cylinder engine produces 235 hp at 4800-5,600 rpm with 258 lb. -ft. of torque from 1,650-4,000 rpm.



What is the recall on the 2018 Lexus NX 300?


The 2018 Lexus NX 300 has recalls related to a defective fuel pump and potential issues with the airbag system. The fuel pump recall can cause the engine to stall, while the airbag recall involves sensors that could prevent the airbags from deploying in a crash. Owners should check for open recalls by using their vehicle's VIN on the NHTSA website or a similar recall checker, as not all vehicles are affected.
 
Recalls for the 2018 Lexus NX 300

  • Fuel pump: The low-pressure fuel pump inside the fuel tank may fail, leading to a stalled engine while driving, which increases the risk of a crash. 
  • Airbags: A recall for the airbag system involves potential failure of the frontal airbag pressure or acceleration sensors, which could prevent the airbags from deploying in a crash. 

How to check for recalls
  • Use your VIN: The most accurate way to check is to enter your vehicle's 17-digit VIN into the NHTSA's recall search tool or the recall checker on sites like Kelley Blue Book.
  • Wait for a notice: Lexus will send a recall notice by mail if your vehicle is affected, but this may not happen if you are not the original owner or have an outdated address. 



What are the nx 300's common problems?


The owner comments describe problems respondents experienced with this vehicle.

  • Brakes.
  • Noises/Leaks.
  • Engine Major.
  • Climate System.
  • Electrical Accessories.
  • In-car Electronics.
  • Drive System.
  • Suspension/Steering.


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Kevin Bennett

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Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.