2014 Lexus IS F
The 2014 Lexus IS F is a high-performance variant of the IS sedan, equipped with a naturally aspirated 5.0-liter V8 engine. This engine is the only option available for the IS F model. The 5.0L V8 produces 416 horsepower and 371 lb-ft of torque, coupled exclusively with an 8-speed automatic transmission. Owners typically praise the IS F for its powerful engine, engaging driving dynamics, and comfortable interior, while common criticisms include its relatively dated technology compared to newer models, fuel economy, and potentially high maintenance costs associated with a performance vehicle.
Engine
5.0L 2UR-GSE V8
- Oil Leaks
- Description/Symptoms: Oil leaks can develop from various seals and gaskets, including the valve cover gaskets, oil pan gasket, and front crankshaft seal. Symptoms include visible oil drips, a burning oil smell, and low oil levels.
- Solution: Replacing the leaking gaskets or seals.
- Estimated Cost to Fix: $200 - $1000+, depending on the location and complexity of the leak.
- Recalls: None Found
- Carbon Buildup
- Description/Symptoms: Direct injection engines like the 2UR-GSE can experience carbon buildup on the intake valves over time. This can lead to rough idling, decreased performance, and reduced fuel economy.
- Solution: Performing a walnut blasting or chemical cleaning of the intake valves to remove the carbon deposits.
- Estimated Cost to Fix: $500 - $1000+
- Recalls: None Found
- Valve Spring Failure
- Description/Symptoms: Although not extremely common, some owners have reported valve spring failures, especially in vehicles that have been tracked or driven aggressively. Symptoms include misfires, rough running, and potential engine damage.
- Solution: Replacing the valve springs, potentially along with other related components depending on the extent of the damage.
- Estimated Cost to Fix: $1500 - $3000+
- Recalls: None Found
Transmission
AA80E 8-Speed Automatic
- Rough Shifting/Hesitation
- Description/Symptoms: Some owners have reported experiencing rough or delayed shifting, particularly between certain gears. This may be more noticeable when the transmission is cold.
- Solution: Performing a transmission fluid flush, or, in some cases, replacing the transmission valve body or the entire transmission.
- Estimated Cost to Fix: $300 - $500 for a fluid flush; $1000 - $4000+ for valve body or transmission replacement.
- Recalls: None Found
Suspension
- Rear Shock Absorber Leaks
- Description/Symptoms: The rear shock absorbers, especially on vehicles with higher mileage, may develop leaks. This can lead to a bouncy ride, reduced handling performance, and noise from the rear suspension.
- Solution: Replacing the rear shock absorbers.
- Estimated Cost to Fix: $400 - $800+ for parts and labor.
- Recalls: None Found
Electrical
- Navigation System Failure
- Description/Symptoms: The navigation system can experience failures, including freezing, slow response times, or complete system shutdown.
- Solution: In some cases, a software update can resolve the issue. More severe cases may require replacement of the navigation unit.
- Estimated Cost to Fix: $100 - $300 for software updates; $500 - $2000+ for unit replacement.
- Recalls: None Found
Interior
- Sunroof Issues
- Description/Symptoms: Some owners have reported issues with the sunroof, including difficulty opening or closing, excessive noise, or leaks.
- Solution: Inspecting and lubricating the sunroof tracks, replacing worn or damaged components (such as the sunroof motor), or resealing the sunroof.
- Estimated Cost to Fix: $100 - $1000+, depending on the nature and severity of the problem.
- Recalls: None Found
Exterior
- No Issues Found
Summary
The 2014 Lexus IS F presents a mix of potential issues, ranging from relatively minor to potentially more expensive repairs. Engine-related issues, particularly oil leaks and carbon buildup, are common concerns. Suspension and electrical issues can also arise. The severity of these issues varies from car to car, but it’s important for prospective buyers to be aware of these potential problems and factor them into their purchasing decision. Maintenance and repair costs can range from a few hundred dollars for minor fixes to several thousand for more significant repairs.