Infiniti G35 2003-2006 Fuel System Specifications
Explore the comprehensive fuel specifications for the 2003-2006 Infiniti G35, including fuel type, tank capacity, economy, and emission standards. Essential for maintenance, performance, and compliance.
Overview Specifications
This document provides detailed fuel specifications and related information for the 2003-2006 Infiniti G35. It is designed to help users understand the fuel requirements, efficiency, and performance of the vehicle. Use the search functionality to quickly locate specific details or navigate through the sections for a comprehensive understanding of the fuel system and its components.
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Key Specifications
Fuel Type
Premium Unleaded
Octane Rating
91 AKI
Fuel Capacity
20 gallons
City MPG
18-19 MPG
Highway MPG
25-26 MPG
Available Specifications
Fuel Requirements
This section outlines the fuel type, octane rating, and other requirements for optimal performance of the 2003-2006 Infiniti G35. Adhering to these specifications ensures the engine operates efficiently and maintains longevity.
Fuel Requirements
This section outlines the fuel type, octane rating, and other requirements for optimal performance of the 2003-2006 Infiniti G35. Adhering to these specifications ensures the engine operates efficiently and maintains longevity.
Fuel Type
- Premium unleaded gasoline is recommended
- Minimum octane rating of 91 (AKI)
- Using lower octane fuel may reduce performance
- Avoid using diesel or ethanol blends above 10%
Fuel Additives
- Use of fuel system cleaners is optional
- Avoid additives containing methanol
- Detergent additives help maintain injector cleanliness
- Follow manufacturer guidelines for additive use
Fuel Efficiency
This section provides details on the fuel efficiency of the 2003-2006 Infiniti G35, including EPA estimates and factors affecting mileage. Understanding these metrics can help optimize driving habits for better fuel economy.
Fuel Efficiency
This section provides details on the fuel efficiency of the 2003-2006 Infiniti G35, including EPA estimates and factors affecting mileage. Understanding these metrics can help optimize driving habits for better fuel economy.
EPA Estimates
- City: 18-19 MPG
- Highway: 25-26 MPG
- Combined: 21-22 MPG
- Actual mileage may vary based on driving conditions
Factors Affecting Efficiency
- Aggressive driving reduces fuel economy
- Proper tire inflation improves mileage
- Regular maintenance ensures optimal performance
- Use of air conditioning impacts fuel consumption
Fuel System Components
This section covers the key components of the fuel system in the 2003-2006 Infiniti G35, including the fuel tank, pump, injectors, and filters. Understanding these parts helps in diagnosing and maintaining the fuel system.
Fuel System Components
This section covers the key components of the fuel system in the 2003-2006 Infiniti G35, including the fuel tank, pump, injectors, and filters. Understanding these parts helps in diagnosing and maintaining the fuel system.
Fuel Tank
- Capacity: 20 gallons (75.7 liters)
- Material: High-density polyethylene
- Includes a fuel level sensor
- Designed to minimize evaporation
Fuel Injectors
- Electronically controlled multi-port injectors
- Precision-engineered for optimal fuel delivery
- Require periodic cleaning for performance
- Compatible with modern fuel formulations
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Component Specifications
Overview
- Type
- Gasoline
- Octane Rating
- 91 (recommended)
- Tank Capacity
- 20.0 gallons (75.7 liters)
- Fuel Delivery
- Electronic fuel injection
- Emissions Compliance
- LEV (Low Emission Vehicle)
Dimensions
- Tank Length
- 42.5 inches (108 cm)
- Tank Width
- 28.3 inches (72 cm)
- Tank Height
- 12.6 inches (32 cm)
- Filler Neck Diameter
- 1.5 inches (3.8 cm)
- Fuel Line Diameter
- 0.5 inches (1.27 cm)
- Fuel Pump Output
- 45 psi (3.1 bar)
- Fuel Filter Size
- 5.5 inches x 2.5 inches (14 cm x 6.35 cm)
Materials
- Tank Material
- High-density polyethylene (HDPE)
- Fuel Lines
- Reinforced synthetic rubber
- Filler Neck
- Stainless steel
- Fuel Pump
- Thermoplastic housing with stainless steel internals
Features
- Fuel Efficiency
-
- Variable valve timing
- Optimized combustion chamber design
- Lightweight engine components
- Aerodynamic vehicle design
- Fuel Delivery
-
- Sequential multi-port fuel injection
- High-pressure fuel pump
- Precision fuel injectors
- Electronic throttle control
- Emissions Control
-
- Catalytic converter
- Exhaust gas recirculation (EGR)
- Oxygen sensors
- Evaporative emissions system
- Safety
-
- Rollover valve
- Impact-resistant fuel tank
- Automatic fuel shutoff
- Leak detection system
- Monitoring
-
- Fuel level sensor
- Low fuel warning light
- Real-time fuel economy display
- Miles-to-empty calculation
Safety Features
- Crash Protection
-
- Reinforced fuel tank housing
- Automatic fuel pump shutoff
- Fire Prevention
-
- Flame arrestor in filler neck
- Heat shields around exhaust components
- Leak Prevention
-
- Double-walled fuel lines
- Sealed fuel system connections
Comfort Features
- Refueling
-
- Easy-access fuel door
- Capless fuel filler
- Automatic fuel nozzle shutoff
- Driving Range
-
- Extended range with 20-gallon tank
- Accurate fuel gauge
- Eco-driving mode for better mileage
- Noise Reduction
-
- Insulated fuel pump
- Vibration-dampened fuel lines
Accessories
- Performance
-
- High-flow fuel filter
- Aftermarket fuel pump upgrades
- Fuel pressure regulator
- Maintenance
-
- Fuel system cleaner
- Fuel injector cleaning kit
- Fuel tank rust inhibitor
- Diagnostics
-
- OBD-II scanner
- Fuel pressure tester
- Fuel system smoke tester
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Replace fuel filter
- Inspect fuel lines for leaks
- Check fuel pump operation
- Test fuel pressure
- Clean fuel injectors
- Maintenance Notes
- Use only premium unleaded gasoline for optimal performance and longevity.
Warranty
- Basic Warranty
- Miles: 60,000Years: 4Coverage: Fuel system components
- Emissions Warranty
- Miles: 80,000Years: 7Coverage: Catalytic converter and oxygen sensors
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Fuel tank and lines
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Fuel pump and injectors
Production Details
- Manufacturer
- Infiniti (Nissan Motor Co.)
- Manufacturing Process
-
- Injection molding for fuel tank
- Robotic assembly for fuel lines
- Precision machining for fuel injectors
- Quality Control
- Pressure Testing: All fuel tanks tested at 1.5x operating pressureLeak Testing: Fuel system tested for leaks before installationMaterial inspection: X-ray inspection of critical components
- Sustainability Practices
-
- Recyclable fuel tank materials
- Low-VOC fuel system seals
- Energy-efficient manufacturing processes
- Production Metrics
- Annual Production: 50,000 unitsDefect Rate: 0.01%Recycling Rate: 95%
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Replace fuel filter
- Test fuel pressure
- Check fuel pump operation
- Clean fuel injectors
Use only manufacturer-approved fuel system cleaners.
- Replace fuel pump if necessary
- Inspect fuel tank for damage
- Check evaporative emissions system
- Test oxygen sensors
- Inspect catalytic converter
Specialized tools required for fuel pump replacement.
- Replace fuel injectors
- Inspect and clean fuel tank
- Replace all fuel lines
- Test entire fuel system for leaks
- Calibrate fuel level sensor
Major service requires professional equipment and expertise.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2003-2006 Infiniti G35?
What type of fuel is recommended for the 2003-2006 Infiniti G35?
The 2003-2006 Infiniti G35 requires premium unleaded gasoline with an octane rating of 91 or higher. Using lower-octane fuel may result in reduced performance, knocking, or engine damage. The 3.5L V6 engine is designed to optimize performance and efficiency with premium fuel. Always refer to the owner's manual for specific fuel recommendations and compatibility details.
Q2 What are the maintenance requirements for the fuel system in the Infiniti G35?
What are the maintenance requirements for the fuel system in the Infiniti G35?
Regular maintenance for the fuel system includes inspecting and replacing the fuel filter every 30,000-40,000 miles, checking fuel injectors for clogs, and ensuring the fuel pump operates correctly. Use fuel system cleaners periodically to prevent deposits. Adhere to the manufacturer's maintenance schedule for optimal performance and longevity of the fuel system components.
Q3 How do I replace the fuel filter on a 2003-2006 Infiniti G35?
How do I replace the fuel filter on a 2003-2006 Infiniti G35?
To replace the fuel filter, first, relieve fuel system pressure by disconnecting the fuel pump fuse and running the engine until it stalls. Locate the fuel filter near the fuel tank. Disconnect the fuel lines and mounting bracket, then remove the old filter. Install the new filter, reconnect the fuel lines, and secure the bracket. Reconnect the fuel pump fuse and test for leaks.
Q4 What should I do if my Infiniti G35 experiences fuel delivery issues?
What should I do if my Infiniti G35 experiences fuel delivery issues?
If your G35 has fuel delivery problems, start by checking the fuel pump fuse and relay. Inspect the fuel filter for clogs and test fuel pressure using a gauge. Listen for the fuel pump priming when the ignition is turned on. If the pump is silent, it may need replacement. Also, check for damaged fuel lines or a faulty fuel pressure regulator.
Q5 How can I optimize fuel efficiency in my Infiniti G35?
How can I optimize fuel efficiency in my Infiniti G35?
To improve fuel efficiency, use premium fuel, maintain proper tire pressure, and replace air filters regularly. Avoid aggressive driving and excessive idling. Ensure the fuel system is clean and free of deposits. Regularly service the engine and transmission to maintain optimal performance. Consider using a fuel additive designed to clean injectors and improve combustion.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2003-2006 Infiniti G35 Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 2003-2006 Infiniti G35.
Infiniti G35 Fuel System Technical Bulletin
Coming SoonTechnical service bulletin addressing common fuel system issues and recommended solutions for the 2003-2006 G35.
Infiniti G35 Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts and accessories for the 2003-2006 Infiniti G35.
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