The Toyota 8AR-FTS engine is a turbocharged, four-cylinder gasoline engine that was introduced in 2014. It is used in a variety of vehicles, including the Lexus NX200t and IS200t, as well as the Toyota Crown and Mark X.
One of the key features of the 8AR-FTS engine is its turbocharger, which helps to improve power and performance while still maintaining good fuel efficiency. The engine also features direct injection, which helps to further improve fuel economy by delivering fuel directly into the combustion chamber.
Engine specifications for Toyota 8AR-FTS 2.0 l
| Displacement | 1998 cc |
| Power system | ESTEC D-4ST |
| Engine power | 231 – 245 hp |
| Torque | 350 Nm |
| Cylinder block | Aluminum R4 |
| Cylinder head | Aluminum 16v |
| Cylinder diameter | 86 mm |
| Stroke | 86 mm |
| Compression ratio | 10 |
| Engine features | EGR and intercooler |
| Hydraulic compensators | Yes |
| Timing Chain/Belt | Chain |
| Variable Valve Timing (VVT) | VVT-iW |
| Turbocharger | Twin Scroll |
| Oil capacity/Recommended oil | 4.9 l 5W-30 |
| Fuel type | Premium, Supreme |
| Euro class | EURO 5 |
| Average lifespan | 200 000 km |
The dry weight of the 8AR-FTS engine is 156 kg
The engine number 8AR-FTS is located at the junction of the block with the box
Fuel economy
The detailed table of the fuel economy for the Toyota 8AR-FTS engine:
| Model | Engine | Transmission | City MPG | Highway MPG | Combined MPG |
|---|---|---|---|---|---|
| 2013-2017 Lexus NX 200t (US) | 2.0L turbocharged (8AR-FTS) | 6-speed automatic | 22 | 28 | 24 |
| 2014-2017 Lexus IS 200t (US) | 2.0L turbocharged (8AR-FTS) | 8-speed automatic | 22 | 32 | 26 |
| 2015-2017 Lexus RC 200t (US) | 2.0L turbocharged (8AR-FTS) | 8-speed automatic | 22 | 32 | 26 |
| 2016-2017 Lexus GS 200t (US) | 2.0L turbocharged (8AR-FTS) | 8-speed automatic | 22 | 33 | 26 |
| 2016-2017 Toyota C-HR (JP) | 2.0L turbocharged (8AR-FTS) | CVT | 19 | 27 | 22 |
Please note that these fuel economy ratings are based on the EPA test cycle for US models and the JC08 test cycle for the Japanese market. Actual fuel economy can vary depending on various factors such as driving conditions, vehicle maintenance, and driving style.
What cars have the Toyota 8AR-FTS
| Crown 14 (S210) | 2015 – 2018 |
| Highlander 3 (XU50) | 2016 – … |
| Harrier 3 (XU60) | 2017 – … |
| NX200t 1 (AZ10) | 2014 – … |
| RX200t 4 (AL20) | 2015 – … |
| IS200t 3 (XE30) | 2015 – … |
| RC200t 1 (XC10) | 2015 – … |
| GS200t 4 (L10) | 2015 – … |
Maintenance cost for the Toyota 8AR-FTS engine
The detailed table of the recommended maintenance schedule and estimated maintenance cost for the Toyota 8AR-FTS engine:
| Maintenance Item | Interval | Estimated Cost |
|---|---|---|
| Engine Oil Change | 5,000-10,000 miles or 6-12 months | $40-$100 |
| Oil Filter Replacement | With engine oil change | $10-$20 |
| Air Filter Replacement | 30,000-45,000 miles | $20-$50 |
| Fuel Filter Replacement | 30,000-60,000 miles | $40-$80 |
| Spark Plug Replacement | 60,000 miles | $80-$150 |
| Coolant Replacement | 100,000 miles or 10 years | $100-$200 |
| Timing Belt Replacement | 90,000-105,000 miles or 7 years | $500-$800 |
| Serpentine Belt Replacement | 60,000-100,000 miles | $60-$120 |
Please note that these are general estimates and the actual cost of maintenance for the Toyota 8AR-FTS engine may vary depending on various factors such as the age of the vehicle, the condition of the engine, and the location where the maintenance is performed. Additionally, always refer to the vehicle’s owner’s manual for the recommended maintenance schedule and procedures specific to your vehicle.
Engine oil
| Engine | Toyota 8AR-FTS |
|---|---|
| Oil Type | 0W-20 synthetic oil |
| Oil Capacity | 4.4 liters (4.6 US quarts) |
| Oil Change Interval | Every 16,000 km (10,000 miles) or 12 months, whichever comes first |
It’s important to note that the oil type and capacity may vary slightly depending on the specific version of the engine, so it’s always best to consult the owner’s manual or contact a certified Toyota dealer for the most accurate information.
Additionally, it’s recommended to use only Toyota-approved engine oil to ensure optimal engine performance and longevity. Using non-approved oils may cause damage to the engine and void the manufacturer’s warranty.
The approximate prices for the Toyota 8AR-FTS engine
| Vehicle Model | Year Range | Approximate Price |
|---|---|---|
| Lexus NX200t | 2015-2017 | $5,000 – $7,500 |
| Lexus IS200t | 2016-2017 | $5,000 – $7,500 |
| Toyota Crown | 2015-2018 | $4,000 – $6,500 |
| Toyota Mark X | 2014-2017 | $4,000 – $6,500 |
It is worth noting that these prices are approximate and can vary depending on factors such as the condition of the engine, mileage, and location. Additionally, labor costs for installation will also need to be factored in. It is always best to consult with a reputable mechanic or dealership for an accurate estimate.
Problems & Disadvantages of the Toyota 8AR-FTS
Problem 1: Carbon Buildup
One of the major problems associated with the Toyota 8AR-FTS engine is carbon buildup. This occurs when carbon deposits accumulate on the intake valves and ports, reducing the engine’s performance and causing a rough idle. It can also lead to misfires and engine damage if left unchecked.
Subproblem: Direct Injection
The direct injection system in the Toyota 8AR-FTS engine is responsible for the carbon buildup problem. Unlike traditional port injection engines, direct injection systems do not clean the intake valves, allowing carbon deposits to accumulate.
Problem 2: Oil Dilution
Oil dilution is another problem that affects the Toyota 8AR-FTS engine. This occurs when gasoline enters the engine oil, thinning it and reducing its effectiveness. It can lead to increased engine wear and premature failure if left unaddressed.
Subproblem: Piston Rings
The piston rings in the Toyota 8AR-FTS engine are a major cause of oil dilution. They do not seal the combustion chamber as effectively as they should, allowing gasoline to leak past and mix with the engine oil.
Problem 3: Turbocharger Failure
The turbocharger in the Toyota 8AR-FTS engine is prone to failure. This is often due to the high temperatures and pressures generated by the turbocharger, which can cause the bearings to wear out quickly.
Subproblem: Lack of Proper Lubrication
Another reason for turbocharger failure in the Toyota 8AR-FTS engine is the lack of proper lubrication. The turbocharger relies on oil to function properly, and if the oil is contaminated or insufficient, it can cause premature wear and failure.
Problem 4: High Repair Costs
Finally, one of the biggest disadvantages of the Toyota 8AR-FTS engine is the high repair costs associated with it. Due to its complex design and the need for specialized tools and expertise, repairs can be expensive and time-consuming.
Subproblem: Limited Availability of Parts
Another factor that contributes to the high repair costs of the Toyota 8AR-FTS engine is the limited availability of parts. Since the engine is relatively new, parts can be difficult to find, and when they are available, they can be expensive.
Reliability
Toyota 8AR-FTS engine has some notable problems and disadvantages, it is still a highly advanced and powerful piece of engineering. Owners of vehicles with this engine should be aware of the potential issues and address them promptly to avoid more serious problems down the line. Additionally, regular maintenance and using high-quality oil and other fluids can help mitigate some of these problems and prolong the engine’s lifespan.
It is worth noting that while the Toyota 8AR-FTS engine has its share of problems, many modern engines have similar issues, especially those with direct injection and turbocharging. As engines become more complex to meet increasingly stringent emissions standards, it is likely that we will see more problems like those discussed here. However, advancements in technology and improved manufacturing processes will also lead to more reliable and efficient engines in the future.
FAQs
- What causes carbon buildup in the Toyota 8AR-FTS engine? Carbon buildup in the Toyota 8AR-FTS engine is caused by the direct injection system, which does not clean the intake valves, allowing carbon deposits to accumulate.
- How can I prevent oil dilution in the Toyota 8AR-FTS engine? Regular oil changes and using high-quality oil can help prevent oil dilution in the Toyota 8AR-FTS engine. Additionally, addressing any piston ring issues promptly can also help prevent oil dilution.
- Can turbocharger failure be prevented in the Toyota 8AR-FTS engine? Proper maintenance and ensuring the turbocharger is receiving adequate lubrication can help prevent premature wear and failure. However, some level of wear and tear is inevitable over time.
- Are there any alternatives to repairing the Toyota 8AR-FTS engine? Some owners may opt to replace the engine entirely, although this can be an expensive option. Regular maintenance and addressing issues promptly can help prolong the engine’s lifespan and prevent the need for major repairs.
- Is the Toyota 8AR-FTS engine used in other vehicles besides the Lexus and Toyota models mentioned? At the time of writing, the Toyota 8AR-FTS engine is primarily used in the Lexus NX200t and IS200t, as well as the Toyota Crown and Mark X. However, it is possible that it may be used in other vehicles in the future.
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