Lexus SC 2002-2010 Fuel System Specifications
Explore detailed fuel specifications for the 2002-2010 Lexus SC, including fuel type, tank capacity, economy, and emission standards. Ideal for maintenance, troubleshooting, and performance upgrades.
Overview Specifications
This document provides detailed fuel specifications for the 2002-2010 Lexus SC models. It includes information on fuel types, efficiency, tank capacity, and related technical details. Use this guide to understand the fuel-related features and performance of the vehicle. The document is organized into sections for easy navigation, with quick reference tables for key specifications.
How to Use
Use the search functionality to quickly locate specific fuel-related terms or specifications. Enter keywords like 'fuel efficiency' or 'tank capacity' to find relevant sections.
Navigate through the document by scrolling through sections or using the table of contents. Each section is labeled with a title and description for easy identification.
Key Specifications
Fuel Type
Premium Unleaded (91+ octane)
Fuel Tank Capacity
18.5 gallons
City MPG
17-18 MPG
Highway MPG
23-25 MPG
Combined MPG
19-21 MPG
Available Specifications
Fuel Types and Requirements
This section covers the types of fuel recommended for the 2002-2010 Lexus SC models, including octane ratings and any specific requirements for optimal performance.
Fuel Types and Requirements
This section covers the types of fuel recommended for the 2002-2010 Lexus SC models, including octane ratings and any specific requirements for optimal performance.
Recommended Fuel Type
- Premium unleaded gasoline with an octane rating of 91 or higher
- Regular unleaded gasoline (87 octane) can be used but may reduce performance
- Ethanol blends up to E10 are acceptable
- Avoid using diesel or alternative fuels not specified by the manufacturer
Fuel Additives
- Use of fuel system cleaners is optional but recommended periodically
- Avoid additives containing methanol or silicone
- Lexus-approved additives can help maintain engine performance
- Check the owner's manual for specific additive recommendations
Fuel Efficiency
This section provides details on the fuel efficiency of the 2002-2010 Lexus SC models, including EPA-estimated mileage and factors affecting fuel economy.
Fuel Efficiency
This section provides details on the fuel efficiency of the 2002-2010 Lexus SC models, including EPA-estimated mileage and factors affecting fuel economy.
EPA-Estimated Mileage
- City: 17-18 MPG
- Highway: 23-25 MPG
- Combined: 19-21 MPG
- Actual mileage may vary based on driving conditions
Factors Affecting Fuel Economy
- Driving habits (e.g., aggressive acceleration reduces efficiency)
- Vehicle load and cargo weight
- Tire pressure and alignment
- Environmental conditions (e.g., temperature, altitude)
Fuel Tank and Capacity
This section outlines the fuel tank specifications for the 2002-2010 Lexus SC models, including capacity, materials, and refueling tips.
Fuel Tank and Capacity
This section outlines the fuel tank specifications for the 2002-2010 Lexus SC models, including capacity, materials, and refueling tips.
Fuel Tank Capacity
- Total capacity: 18.5 gallons (70 liters)
- Reserve capacity: Approximately 2.5 gallons
- Material: High-density polyethylene for durability
- Designed to minimize fuel evaporation and emissions
Refueling Tips
- Always turn off the engine before refueling
- Use the fuel filler door release located inside the vehicle
- Avoid overfilling to prevent spillage
- Ensure the fuel cap is securely tightened after refueling
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Gasoline
- Configuration
- Internal Combustion Engine
- Platform
- V8 (SC 430) / V6 (SC 300)
- Material
- High-grade steel and aluminum
- Location
- Fuel tank located under rear seats
Dimensions
- Fuel Tank Capacity
- 18.5 gallons (70 liters)
- Fuel Line Diameter
- 0.375 inches (9.5 mm)
- Fuel Pump Pressure
- 44 psi (3 bar)
- Fuel Filter Size
- 2.5 x 4.5 inches (63.5 x 114.3 mm)
- Fuel injector Flow Rate
- 210 cc/min
- Fuel Rail Length
- 22 inches (558.8 mm)
- Fuel Tank Weight Empty
- 15.4 lbs (7 kg)
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nitrile rubber with steel braiding
- Fuel Pump
- Thermoplastic housing with stainless steel internals
- Fuel injectors
- Aluminum body with stainless steel nozzles
Features
- Fuel Delivery
-
- Sequential multi-port fuel injection
- Electronic fuel pressure regulation
- Returnless fuel system
- Fuel Efficiency
-
- Variable valve timing
- Optimized combustion chamber design
- Electronic throttle control
- Emissions Control
-
- Catalytic converter
- Evaporative emissions system
- Oxygen sensors
- Safety
-
- Rollover valve
- Fuel cut-off inertia switch
- Impact-resistant fuel tank
- Monitoring
-
- Fuel level sensor
- Fuel pressure sensor
- Onboard diagnostics (OBD-II)
Safety Features
- Crash Protection
-
- Impact-resistant fuel tank
- Automatic fuel shutoff
- Fire Prevention
-
- Flame arrestor in fuel filler neck
- Fuel line quick-disconnect fittings
- Leak Prevention
-
- Sealed fuel system
- Pressure relief valve
Comfort Features
- Refueling
-
- Easy-access fuel filler door
- Capless fuel filler system
- Driving
-
- Smooth fuel delivery
- Quiet fuel pump operation
- Maintenance
-
- Easy-access fuel filter
- Serviceable fuel injectors
Accessories
- Performance
-
- High-flow fuel pump
- Performance fuel injectors
- Upgraded fuel pressure regulator
- Maintenance
-
- Fuel system cleaner
- Fuel filter replacement kit
- Fuel line repair kit
- Diagnostics
-
- Fuel pressure tester
- OBD-II scanner
- Fuel injector cleaner
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect fuel lines for leaks
- Replace fuel filter
- Clean fuel injectors
- Check fuel pump operation
- Inspect fuel tank for damage
- Maintenance Notes
- Use only premium unleaded gasoline (91 octane or higher)
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 oxygen sensors
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Fuel tank and lines
Production Details
- Manufacturer
- Denso Corporation
- Manufacturing Process
-
- Injection molding for fuel tank
- CNC machining for fuel injectors
- Robotic assembly for fuel pump
- Quality Control
- Pressure Testing: 100% tested for leaksFlow Testing: Fuel injectors flow-testedDurability Testing: Simulated 10-year lifespan
- Sustainability Practices
-
- Recycled materials in fuel tank
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: 0.01%Energy Usage: 15 kWh per unit
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Replace fuel filter
- Check fuel pressure
- Test fuel pump operation
- Inspect fuel tank for damage
Use only manufacturer-approved parts
- Clean fuel injectors
- Inspect fuel rail
- Check fuel pressure regulator
- Test fuel level sensor
- Inspect evaporative emissions system
Perform fuel system diagnostic scan
- Replace fuel pump
- Replace fuel filter
- Inspect and clean fuel tank
- Replace fuel pressure regulator
- Perform complete fuel system flush
Consider replacing all fuel system seals and gaskets
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2002-2010 Lexus SC?
What type of fuel is recommended for the 2002-2010 Lexus SC?
The 2002-2010 Lexus SC 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 engine knocking. Always refer to the owner's manual for specific fuel requirements and compatibility to ensure optimal engine performance and longevity.
Q2 What is the recommended maintenance schedule for the Lexus SC fuel system?
What is the recommended maintenance schedule for the Lexus SC fuel system?
The Lexus SC fuel system requires regular maintenance, including fuel filter replacement every 30,000 to 40,000 miles and periodic fuel injector cleaning. Additionally, inspect the fuel lines and tank for leaks or damage during routine service. Adhering to the manufacturer's maintenance schedule ensures efficient fuel delivery and prevents potential engine issues.
Q3 How do I replace the fuel filter on a 2002-2010 Lexus SC?
How do I replace the fuel filter on a 2002-2010 Lexus SC?
To replace the fuel filter on a 2002-2010 Lexus SC, first, relieve the fuel system pressure by disconnecting the fuel pump fuse and running the engine until it stalls. Locate the fuel filter, typically near the fuel tank. Disconnect the fuel lines and mounting bolts, then install the new filter, ensuring proper orientation. Reconnect the lines and test for leaks before restarting the engine.
Q4 What should I do if my Lexus SC is experiencing poor fuel efficiency?
What should I do if my Lexus SC is experiencing poor fuel efficiency?
If your Lexus SC has poor fuel efficiency, check for clogged fuel injectors, a dirty air filter, or low tire pressure. Inspect the oxygen sensors and spark plugs for wear. Additionally, ensure the fuel cap is tightly sealed to prevent vapor loss. If issues persist, consult a professional mechanic for a comprehensive diagnostic scan.
Q5 How can I optimize the fuel performance of my Lexus SC?
How can I optimize the fuel performance of my Lexus SC?
To optimize fuel performance, use premium unleaded gasoline, maintain proper tire pressure, and replace air filters regularly. Avoid aggressive driving and excessive idling. Regularly clean fuel injectors and ensure the engine is tuned according to the manufacturer's specifications. These steps will enhance fuel efficiency and overall vehicle 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.
2002-2010 Lexus SC Owner's Manual
Coming SoonComprehensive guide covering vehicle operation, maintenance schedules, and technical specifications for the Lexus SC models from 2002 to 2010.
Lexus SC Fuel System Technical Service Bulletin
Coming SoonTechnical bulletin addressing common fuel system issues, including fuel pump and injector performance, for 2002-2010 Lexus SC models.
Lexus SC Genuine Parts Catalog
Coming SoonCatalog listing genuine Lexus parts and accessories, including fuel system components, for 2002-2010 SC models.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.