Lexus IS 2014-present Fuel System Specifications
Explore detailed fuel specifications for the 2014-Present Lexus IS, including fuel type, tank capacity, economy, and emissions. Essential for maintenance, efficiency, and compliance.
Overview Specifications
This document provides detailed fuel specifications for the 2014-Present Lexus IS models. It includes information on fuel types, efficiency, tank capacity, and performance metrics. Use this guide to understand the fuel-related features and optimize your vehicle's performance. The sections are organized to help you quickly find the information you need, whether you're a driver, technician, or enthusiast.
How to Use
Use the search functionality to find specific terms or phrases related to fuel specifications. Enter keywords like 'fuel efficiency' or 'tank capacity' to locate relevant sections quickly.
Navigate through the document using the section titles and subsections. Each section is labeled clearly, and subsections provide detailed points for easy reference.
Key Specifications
Fuel Type
Premium Unleaded Gasoline
Tank Capacity
17.4 gallons
City MPG
20-22 MPG
Highway MPG
28-32 MPG
Combined MPG
24-26 MPG
Available Specifications
Fuel Types and Compatibility
This section covers the types of fuel compatible with the 2014-Present Lexus IS models. It includes details on recommended fuel grades, octane ratings, and the impact of using alternative fuels.
Fuel Types and Compatibility
This section covers the types of fuel compatible with the 2014-Present Lexus IS models. It includes details on recommended fuel grades, octane ratings, and the impact of using alternative fuels.
Recommended Fuel Grades
- Premium unleaded gasoline (91 octane or higher) is recommended for optimal performance.
- Regular unleaded gasoline (87 octane) can be used but may reduce engine efficiency.
- Ethanol blends up to E10 are compatible with all models.
- Using higher octane fuel can improve horsepower and torque output.
Alternative Fuel Options
- Lexus IS models are not compatible with diesel or compressed natural gas (CNG).
- Flex-fuel variants are not available for this model range.
- Using non-recommended fuels may void the warranty.
- Hybrid models use a combination of gasoline and electric power.
Fuel Efficiency and Economy
This section provides detailed information on the fuel efficiency of the Lexus IS models, including city, highway, and combined MPG ratings. It also covers factors affecting fuel economy.
Fuel Efficiency and Economy
This section provides detailed information on the fuel efficiency of the Lexus IS models, including city, highway, and combined MPG ratings. It also covers factors affecting fuel economy.
MPG Ratings
- City MPG: 20-22 MPG for gasoline models.
- Highway MPG: 28-32 MPG for gasoline models.
- Combined MPG: 24-26 MPG for gasoline models.
- Hybrid models achieve up to 40 MPG combined.
Factors Affecting Fuel Economy
- Driving habits, such as aggressive acceleration, can reduce fuel efficiency.
- Proper tire inflation improves fuel economy by up to 3%.
- Using air conditioning can decrease MPG by 1-2 MPG.
- Regular maintenance, including oil changes, ensures optimal fuel efficiency.
Fuel Tank Capacity and Range
This section outlines the fuel tank capacity of the Lexus IS models and the estimated driving range based on fuel efficiency. It also includes tips for maximizing range.
Fuel Tank Capacity and Range
This section outlines the fuel tank capacity of the Lexus IS models and the estimated driving range based on fuel efficiency. It also includes tips for maximizing range.
Tank Capacity and Range
- Fuel tank capacity: 17.4 gallons for gasoline models.
- Estimated range: 400-450 miles on a full tank for gasoline models.
- Hybrid models have a slightly smaller tank but longer range due to higher efficiency.
- Driving in Eco mode can extend the range by up to 10%.
Maximizing Driving Range
- Avoid idling for extended periods to conserve fuel.
- Use cruise control on highways to maintain consistent speed.
- Remove excess weight from the vehicle to improve efficiency.
- Plan routes to avoid heavy traffic and reduce fuel consumption.
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Component Specifications
Overview
- Type
- Gasoline
- Configuration
- Direct Injection
- Platform
- Lexus IS 2014-Present
- Material
- High-grade steel and aluminum
- Location
- Integrated into engine bay
Dimensions
- Fuel Tank Capacity
- 17.4 gallons (65.8 liters)
- Fuel Line Diameter
- 0.5 inches (12.7 mm)
- Fuel Pump Pressure
- 58 psi (400 kPa)
- Fuel Filter Length
- 6.3 inches (160 mm)
- Fuel injector Flow Rate
- 300 cc/min
- Fuel Rail Length
- 18.9 inches (480 mm)
- Fuel Tank Weight Empty
- 12.1 lbs (5.5 kg)
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Stainless steel with rubber coating
- Fuel Pump
- Aluminum housing with plastic internals
- Fuel injectors
- Stainless steel with ceramic tips
- Fuel Rail
- Forged aluminum
Features
- Fuel Delivery
-
- Direct injection system
- Variable fuel pressure
- High-pressure fuel pump
- Multi-hole injectors
- Fuel Management
-
- Electronic throttle control
- Adaptive fuel mapping
- Real-time fuel consumption monitoring
- Eco mode optimization
- Safety
-
- Automatic fuel shutoff
- Leak detection system
- Overpressure relief valve
- Impact-resistant fuel tank
- Efficiency
-
- Start-stop technology
- Low rolling resistance tires
- Aerodynamic design
- Lightweight materials
- Emissions
-
- Catalytic converter
- Evaporative emissions control
- Oxygen sensors
- Exhaust gas recirculation
Safety Features
- Crash Safety
-
- Fuel tank impact protection
- Automatic fuel pump shutoff
- Fire Prevention
-
- Flame arrestor in fuel tank
- Heat shields around fuel lines
- Leak Detection
-
- Pressure monitoring system
- Vapor recovery system
Comfort Features
- Noise Reduction
-
- Insulated fuel lines
- Quiet fuel pump operation
- Vibration Control
-
- Rubber-mounted fuel tank
- Dampened fuel rail
- Refueling
-
- Capless fuel filler
- Easy-access fuel door
- Driving Experience
-
- Smooth acceleration
- Consistent fuel delivery
Accessories
- Performance
-
- High-flow fuel injectors
- Upgraded fuel pump
- Performance fuel rail
- Maintenance
-
- Fuel system cleaner
- Fuel filter replacement kit
- Fuel pressure tester
- Monitoring
-
- Fuel consumption gauge
- Fuel level sensor
- Fuel pressure monitor
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Inspect fuel lines for leaks
- Replace fuel filter
- Clean fuel injectors
- Check fuel pump pressure
- Inspect fuel tank for damage
- Maintenance Notes
- Use only premium unleaded gasoline for optimal performance
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Fuel system components
- Powertrain
- Miles: 70,000Years: 6Coverage: Fuel pump and injectors
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter and sensors
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Fuel tank and lines
Production Details
- Manufacturer
- Lexus
- Manufacturing Process
-
- Precision molding for fuel tank
- CNC machining for fuel rail
- Automated assembly for fuel pump
- Quality Control
- Pressure Testing: All fuel lines and tanksLeak Testing: Complete fuel systemPerformance Testing: Fuel injectors and pump
- Sustainability Practices
-
- Recycled materials in fuel tank
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Annual Production: 150,000 unitsDefect Rate: 0.01%Energy Consumption: 500 kWh per unit
Service Information for fuel Service
Maintenance and service requirements specific to this component
- Inspect fuel lines and connections
- Check fuel pump operation
- Test fuel pressure
- Inspect fuel tank for damage
- Replace fuel filter if necessary
Use only manufacturer-approved parts
- Replace fuel filter
- Clean fuel injectors
- Inspect fuel rail for leaks
- Check fuel pressure regulator
- Test fuel system for leaks
Perform a full system diagnostic
- Replace fuel pump
- Replace fuel injectors
- Inspect and clean fuel tank
- Check and replace fuel lines if necessary
- Perform complete fuel system flush
Critical to ensure all components are in optimal condition
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2014-Present Lexus IS?
What type of fuel is recommended for the 2014-Present Lexus IS?
The 2014-Present Lexus IS models are designed to run on premium unleaded gasoline with an octane rating of 91 or higher. Using lower-octane fuel may result in reduced performance and fuel efficiency. Always refer to the owner's manual for specific fuel requirements and compatibility details to ensure optimal engine performance and longevity.
Q2 What are the maintenance requirements for the fuel system in a Lexus IS?
What are the maintenance requirements for the fuel system in a Lexus IS?
The fuel system in the Lexus IS requires regular maintenance, including fuel filter replacement every 30,000 to 40,000 miles and periodic fuel injector cleaning. Additionally, using high-quality fuel and fuel system cleaners can help maintain efficiency. Always follow the maintenance schedule outlined in the owner's manual to prevent issues and ensure smooth operation.
Q3 How do I replace the fuel filter in a Lexus IS?
How do I replace the fuel filter in a Lexus IS?
To replace the fuel filter in a Lexus IS, first, locate the filter near the fuel tank. Disconnect the negative battery terminal, relieve fuel system pressure, and disconnect the fuel lines. Remove the old filter, install the new one, and reconnect the fuel lines and battery terminal. Start the engine and check for leaks. Refer to the service manual for detailed instructions.
Q4 What should I do if my Lexus IS has poor fuel economy?
What should I do if my Lexus IS has poor fuel economy?
If your Lexus IS has poor fuel economy, check for common issues such as dirty air filters, low tire pressure, or malfunctioning oxygen sensors. Ensure you are using the recommended fuel type and consider performing a fuel system cleaning. If the issue persists, consult a certified technician for a diagnostic check.
Q5 How can I optimize the fuel efficiency of my Lexus IS?
How can I optimize the fuel efficiency of my Lexus IS?
To optimize fuel efficiency, maintain proper tire pressure, use high-quality fuel, and avoid aggressive driving. Regularly service the engine, air filters, and fuel system. Utilize cruise control on highways and reduce unnecessary weight in the vehicle. Following these tips can help improve mileage and overall performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Lexus IS Owner's Manual
Coming SoonComprehensive guide covering vehicle operation, maintenance, and troubleshooting for the 2014-Present Lexus IS.
Lexus Technical Service Bulletin (TSB)
Coming SoonLatest updates and fixes for known issues related to the Lexus IS fuel system and other components.
Lexus IS Parts and Accessories Catalog
Coming SoonDetailed catalog of genuine Lexus parts and accessories for the 2014-Present Lexus IS, including fuel system components.
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