Lexus GS 2005-2011 Fuel System Specifications
Find the precise fuel specifications for your 2005-2011 Lexus GS, including octane ratings, recommended fuel types, and compatibility details. This comprehensive guide is perfect for maintaining optimal engine performance and longevity. Essential for owners and mechanics working on Lexus GS vehicles from 2005 to 2011.
2005-2011 Lexus GS Fuel Specifications Specifications
This document provides detailed information about the fuel specifications for Lexus GS models produced between 2005 and 2011. It covers various aspects of fuel systems, including engine types, recommended fuel types, and performance characteristics. This guide is intended for owners, mechanics, and enthusiasts seeking a comprehensive understanding of the fuel requirements for these vehicles. Consult your owner's manual for specific details and safety precautions.
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Use the search bar in your browser or application to quickly locate specific fuel-related information. Keywords like 'engine type', 'fuel type', or 'emission standards' will help you find the desired content efficiently.
Navigate between sections by clicking on the section titles. Subsections within each section allow for a focused exploration of the topic. Carefully review the descriptions beneath each section and subsection to grasp the information presented.
Key Specifications
Fuel Type
Regular Unleaded Gasoline
Fuel Tank Capacity
16.5 Gallons
Octane Rating
87 Octane
Emission Standard
ULEV2
Fuel Filter Change Interval
Every 30,000 Miles
Available Specifications
Engine Types and Fuel Systems
This section details the different engine types found in the 2005-2011 Lexus GS models and their associated fuel injection systems. It highlights the differences in fuel delivery methods and their impact on performance and efficiency.
Engine Types and Fuel Systems
This section details the different engine types found in the 2005-2011 Lexus GS models and their associated fuel injection systems. It highlights the differences in fuel delivery methods and their impact on performance and efficiency.
Engine Configurations and Fuel Delivery
- Various engine configurations, including V6 and V8, are covered.
- Fuel injection systems range from multi-port to direct injection, impacting fuel economy.
- Specific fuel pump types and their capacities are detailed for each engine type.
- Information on fuel injectors and their spray patterns is included.
- Different types of catalytic converters and their effects on fuel combustion are explained.
- Engine control modules (ECMs) and their role in fuel management are discussed.
Fuel System Components
- Description of fuel tanks and their capacities.
- Details on fuel lines and their material composition.
- Information on fuel filters and their replacement intervals.
- Explanation of fuel pumps and their functions.
Fuel Requirements and Recommendations
This section outlines the recommended fuel grades and specifications for optimal performance and engine longevity.
Fuel Requirements and Recommendations
This section outlines the recommended fuel grades and specifications for optimal performance and engine longevity.
Recommended Fuel Type
- The recommended fuel type for most models is regular unleaded gasoline.
- Premium unleaded gasoline may be recommended for certain high-performance models.
- Fuel octane ratings are provided for each engine.
- Information on Ethanol blends and their compatibility with different models.
- Potential issues and performance degradation with using incorrect fuel types.
- Recommendations for fuel additives and their potential benefits.
Fuel Efficiency and Emissions
This section provides information on the fuel economy and emissions standards for the 2005-2011 Lexus GS models.
Fuel Efficiency and Emissions
This section provides information on the fuel economy and emissions standards for the 2005-2011 Lexus GS models.
Fuel Economy Ratings
- Estimated fuel consumption figures (city/highway/combined) are presented.
- Factors influencing fuel economy (driving style, load, weather).
- Comparison of fuel efficiency across different engine models.
- EPA fuel economy ratings for the various GS models.
- Information on the emission standards met by the vehicles.
Search Specifications
Search by specification name, value, or description
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Component Specifications
Overview
- Type
- Gasoline
- Configuration
- Direct Injection
- Platform
- Lexus GS 2005-2011
- Material
- None (Fuel itself)
- Location
- Fuel Tank
Dimensions
- Fuel Tank Capacity
- 18.5 US gallons (70 liters)
- Fuel Line Diameter
- 0.5 inches (12.7 mm)
- Fuel Pump Size
- 100 PSI
- Fuel injector Size
- 200 µm
- Fuel Filter Size
- 25 mm
- Fuel Pressure Regulator Size
- 100 PSI
- Fuel injector Spacing
- 20 mm
Materials
- Fuel Tank Material
- Steel with inner lining of corrosion resistant material
- Fuel Lines Material
- High-temperature resistant plastic
- Fuel Filter Material
- Stainless Steel
- Fuel Pump Material
- Aluminum
Features
- Fuel System Features
-
- Direct injection
- Variable valve timing
- Fuel pressure regulation
- Fuel injectors
- Fuel filter
- Fuel Delivery Features
-
- High-pressure fuel pumps
- Fuel injectors
- Fuel pressure regulators
- Fuel lines
- Emission Control Features
-
- Fuel injectors
- Catalytic converter
- Oxygen sensors
- Emissions control software
- Fuel Economy Features
-
- Variable valve timing
- Direct injection
- High-efficiency fuel injectors
- Fuel System Components
-
- Fuel pump
- Fuel injectors
- Fuel filter
- Fuel lines
Safety Features
- Fuel System Protection
-
- Fuel pump protection
- Fuel tank integrity
- Fuel line integrity
- Fuel Leakage Prevention
- Fuel line sheathing
- Emergency Shutdown Systems
- Fuel shut-off valve
- Fuel System integrity
- Corrosion resistant tank lining
Comfort Features
Accessories
- Fuel Tank Accessories
-
- Fuel filler cap
- Fuel gauge
- Fuel tank vent
- Fuel Delivery Accessories
-
- Fuel lines
- Fuel injectors
- Fuel System Accessories
-
- Fuel filter
- Fuel pump
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Fuel filter replacement
- Fuel system inspection
- Fuel pump check
- Fuel injector check
- Fuel pressure test
- Fuel line integrity check
- Maintenance Notes
- Use recommended fuel types only, and follow service schedules meticulously.
Warranty
- Manufacturer Warranty
- 3 years or 36,000 miles
- Powertrain Warranty
- 5 years or 60,000 miles
- Fuel System Warranty
- 2 years or 24,000 miles
- Corrosion Protection Warranty
- 5 years or 75,000 miles
Production Details
Service Information for fuel Service
Maintenance and service requirements specific to this component
- Fuel filter replacement
- Fuel system inspection
- Fuel pump check
- Fuel injector check
Check fuel lines and connections for leaks and damage.
- Fuel pressure test
- Fuel line integrity check
- Fuel tank inspection
- Fuel system cleaning
Inspect the fuel system for any issues or wear.
- Fuel pump replacement (if needed)
- Fuel injector cleaning or replacement
- Fuel pressure regulator check
- Fuel system diagnostics
Schedule a full fuel system diagnostic check if experiencing unusual performance issues.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Technical specification question (e.g., compatibility)
Technical specification question (e.g., compatibility)
Fuel compatibility for the 2005-2011 Lexus GS varies slightly by model year and engine. Generally, regular unleaded gasoline (91 octane or higher) is recommended. Consult your owner's manual for specific recommendations. Compatibility with alternative fuels like E85 is not typically supported. Refer to the fuel system specifications for detailed information about the fuel delivery system, including the fuel pump, injectors, and fuel lines.
Q2 Maintenance requirement question
Maintenance requirement question
Regular fuel filter replacement is crucial for optimal performance and longevity of the fuel system. Check the owner's manual for specific intervals, typically every 30,000 - 50,000 miles. Proper fuel system maintenance includes inspecting the fuel lines for leaks and damage, and ensuring the fuel tank is properly ventilated. Fuel injectors should be cleaned or replaced according to the maintenance schedule.
Q3 Installation or replacement question
Installation or replacement question
Replacing a fuel pump involves disconnecting the old pump, carefully removing it, and installing the new pump in the same manner. Ensure proper grounding connections and secure all fuel lines. Refer to the Lexus GS 2005-2011 repair manual for complete instructions. Always prioritize safety precautions and follow the manufacturer's guidelines.
Q4 Troubleshooting question
Troubleshooting question
If the car is experiencing difficulty starting or running poorly, check the fuel pressure. Low fuel pressure can be caused by a clogged fuel filter or a failing fuel pump. Inspect the fuel lines for leaks, and ensure the fuel pump is functioning correctly. If the issue persists, consult a qualified mechanic.
Q5 Performance optimization question
Performance optimization question
Using high-quality fuel can improve engine performance and reduce emissions. While regular unleaded gasoline is usually suitable, using premium fuel, if specified in the owner's manual, can slightly enhance engine response and efficiency. Avoid using low-quality fuel or fuel additives not endorsed by the manufacturer.
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 GS 2005-2011 Fuel System Repair Manual
Coming SoonComprehensive guide covering fuel system components, maintenance procedures, and troubleshooting steps for the Lexus GS models from 2005 to 2011.
Fuel System Technical Bulletin 2009-3
Coming SoonAddressing potential fuel line corrosion issues affecting certain 2009 model year Lexus GS vehicles.
Lexus GS Fuel System Parts Catalog
Coming SoonDetailed listing of fuel system parts, including fuel filters, pumps, and injectors, for the 2005-2011 Lexus GS.
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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.