Infiniti QX56 2004-2010 Fuel System Specifications
Discover detailed fuel system specifications for the 2004-2010 Infiniti QX56, including fuel type, tank capacity, pump pressure, and injector flow rates. Essential for maintenance, troubleshooting, and performance optimization.
Fuel Specifications Overview Specifications
This document provides detailed fuel specifications for the 2004-2010 Infiniti QX56. It covers essential information such as fuel type, capacity, consumption, and related technical details. Use this guide to understand the vehicle's fuel requirements and performance characteristics. The document is structured into sections for easy navigation and includes a quick reference for key specifications.
How to Use
Use the search function to quickly find specific terms or phrases within the document. Enter keywords related to fuel specifications, such as 'fuel capacity' or 'consumption', to locate relevant information.
Navigate through the document by scrolling or using the section headings. Each section is clearly labeled, and subsections provide detailed information. Use the quick reference table for a summary of key specifications.
Key Specifications
Fuel Type
Premium Unleaded Gasoline
Fuel Tank Capacity
28 gallons (106 liters)
City Mileage
12-14 mpg (19.6-16.8 L/100 km)
Highway Mileage
17-19 mpg (13.8-12.4 L/100 km)
Combined Mileage
14-16 mpg (16.8-14.7 L/100 km)
Available Specifications
Fuel Type and Requirements
This section details the type of fuel recommended for the 2004-2010 Infiniti QX56, along with any specific requirements or considerations for optimal performance.
Fuel Type and Requirements
This section details the type of fuel recommended for the 2004-2010 Infiniti QX56, along with any specific requirements or considerations for optimal performance.
Recommended Fuel Type
- Premium unleaded gasoline with an octane rating of 91 or higher
- Using lower octane fuel may reduce performance and fuel efficiency
- Avoid using diesel or alternative fuels
- Ensure fuel is free from contaminants
Fuel Additives
- Use only manufacturer-recommended fuel additives
- Avoid aftermarket additives that may harm the engine
- Regular use of fuel system cleaners can maintain performance
- Check for compatibility with the vehicle's fuel system
Fuel Capacity and Range
This section covers the fuel tank capacity of the Infiniti QX56 and provides an estimate of the driving range based on consumption rates.
Fuel Capacity and Range
This section covers the fuel tank capacity of the Infiniti QX56 and provides an estimate of the driving range based on consumption rates.
Fuel Tank Capacity
- Fuel tank capacity: 28 gallons (106 liters)
- Reserve capacity: approximately 3 gallons (11 liters)
- Ensure tank is filled to avoid running on reserve
- Capacities may vary slightly by model year
Estimated Driving Range
- Average range: 350-400 miles (563-644 km) on a full tank
- Range varies based on driving conditions and habits
- Highway driving typically offers better range
- City driving may reduce range due to frequent stops
Fuel Consumption and Efficiency
This section provides information on the fuel consumption rates of the Infiniti QX56, including city, highway, and combined mileage figures.
Fuel Consumption and Efficiency
This section provides information on the fuel consumption rates of the Infiniti QX56, including city, highway, and combined mileage figures.
Fuel Economy Ratings
- City mileage: 12-14 mpg (19.6-16.8 L/100 km)
- Highway mileage: 17-19 mpg (13.8-12.4 L/100 km)
- Combined mileage: 14-16 mpg (16.8-14.7 L/100 km)
- Actual mileage may vary based on driving conditions
- Heavy loads and towing can reduce fuel efficiency
Factors Affecting Fuel Efficiency
- Driving habits such as speed and acceleration
- Vehicle maintenance including tire pressure and engine tune-up
- Use of air conditioning and other electrical systems
- Terrain and road conditions
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Component Specifications
Overview
- Type
- Gasoline
- Engine Code
- VK56DE
- Fuel System
- Sequential multi-port fuel injection
- Octane Rating
- 91 (recommended)
- Fuel Tank Capacity
- 28 gallons (106 liters)
Dimensions
- Fuel Tank Length
- 48.5 inches (123.2 cm)
- Fuel Tank Width
- 24.8 inches (63 cm)
- Fuel Tank Height
- 12.6 inches (32 cm)
- Fuel Line Diameter
- 0.375 inches (9.5 mm)
- Fuel Pump Flow Rate
- 50 GPH (189 LPH)
- Fuel Pressure
- 43.5 psi (300 kPa)
- Fuel Filter Size
- 2.5 inches x 2 inches (6.35 cm x 5.08 cm)
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nylon with vapor barrier
- Fuel Pump
- Stainless steel housing with polymer internals
- Fuel Filter
- Pleated paper element with steel casing
- Fuel injectors
- Stainless steel with teflon seals
Features
- Fuel Delivery
-
- High-pressure fuel pump
- Returnless fuel system
- Variable pressure control
- Multi-point injection
- Monitoring
-
- Fuel level sensor
- Fuel pressure sensor
- Temperature compensation
- Leak detection system
- Emissions Control
-
- Evaporative emissions system
- Charcoal canister
- Purge control valve
- Vapor pressure sensor
- Safety
-
- Rollover valve
- Impact shutoff valve
- Fuel cap tether
- Vapor recovery system
Safety Features
- Crash Protection
-
- Automatic fuel shutoff
- Impact-resistant fuel lines
- Firewall protection
- Spill Prevention
-
- Capless fuel filler
- Vapor recovery system
- Overflow protection
- Fire Prevention
-
- Fuel tank shield
- Heat-resistant materials
- Automatic pump shutoff
Comfort Features
- Refueling
-
- Easy-access fuel door
- Capless filler system
- Fuel level indicator
- Low fuel warning
- Operation
-
- Smooth fuel delivery
- Quiet pump operation
- Vibration damping
- Temperature compensation
Accessories
- Fuel System
-
- Fuel pressure gauge
- Fuel system cleaner
- Fuel injector tester
- Fuel pump relay
- Maintenance
-
- Fuel filter replacement kit
- Fuel system pressure tester
- Fuel injector cleaning kit
- Fuel pump access tool
- Safety
-
- Fuel spill containment mat
- Fuel vapor detector
- Fire extinguisher
- Fuel system sealant
Maintenance
- inspection Interval
- Every 15,000 miles or 12 months
- Replacement interval
-
- Fuel filter: 30,000 miles
- Fuel pump: 100,000 miles
- Fuel injectors: 150,000 miles
- Cleaning Interval
- Fuel system cleaning every 30,000 miles
- Pressure Check
- Every 30,000 miles
- Leak Check
- Every 15,000 miles
- Notes
- Use only recommended octane fuel, keep fuel tank at least 1/4 full
Warranty
- Basic
- Years: 4Miles: 60000Coverage: Fuel pump and injectors
- Powertrain
- Years: 6Miles: 70000Coverage: Fuel system components
- Emissions
- Years: 8Miles: 80000Coverage: Evaporative emissions system
- Corrosion
- Years: 7Miles: 100000Coverage: Fuel tank and lines
Production Details
- Manufacturer
- Infiniti/Nissan
- Production Location
-
- Tochigi, Japan
- Canton, Mississippi
- Quality Control
- Pressure Test: 200 psi for 24 hoursLeak Test: Vacuum test for 12 hoursMaterials Test: Chemical resistance certificationDurability Test: 100,000 mile simulation
- Sustainability
-
- Recyclable materials
- Low VOC emissions
- Energy-efficient manufacturing
- Reduced waste production
- Production Metrics
- Annual Production: 50,000 unitsDefect Rate: 0.001%Recycling Rate: 95%
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines for leaks
- Check fuel pressure
- Test fuel pump operation
- Inspect fuel tank for damage
- Check fuel filter condition
Always use proper safety equipment when working with fuel system
- Replace fuel filter
- Clean fuel injectors
- Inspect fuel pump assembly
- Check evaporative emissions system
- Test fuel pressure regulator
Use genuine or OEM-approved replacement parts
- Replace fuel pump assembly
- Inspect and clean fuel tank
- Replace all fuel hoses
- Check fuel rail pressure
- Test fuel injector flow rate
Consider complete fuel system service at this interval
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2004-2010 Infiniti QX56?
What type of fuel is recommended for the 2004-2010 Infiniti QX56?
The 2004-2010 Infiniti QX56 is 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. It is important to follow the manufacturer's recommendations to ensure optimal engine performance and longevity.
Q2 How often should I replace the fuel filter in my Infiniti QX56?
How often should I replace the fuel filter in my Infiniti QX56?
The fuel filter in the Infiniti QX56 should be inspected regularly and typically replaced every 30,000 to 40,000 miles. However, it is advisable to consult your owner's manual or a certified technician for specific maintenance schedules based on your driving conditions and habits.
Q3 How do I replace the fuel pump in a 2004-2010 Infiniti QX56?
How do I replace the fuel pump in a 2004-2010 Infiniti QX56?
To replace the fuel pump in a 2004-2010 Infiniti QX56, first, ensure the vehicle is on a flat surface and the fuel system is depressurized. Remove the rear seat to access the fuel pump assembly. Disconnect the fuel lines and electrical connectors, then unscrew the fuel pump retaining ring. Carefully remove the old fuel pump and install the new one, reassembling all components in reverse order.
Q4 What should I do if my Infiniti QX56 has difficulty starting or experiences poor fuel economy?
What should I do if my Infiniti QX56 has difficulty starting or experiences poor fuel economy?
If your Infiniti QX56 has difficulty starting or experiences poor fuel economy, check the fuel pump, fuel filter, and fuel injectors for potential issues. Additionally, inspect the spark plugs and air filter. If problems persist, it is recommended to use a diagnostic tool to read error codes or consult a professional mechanic for a thorough inspection.
Q5 How can I improve the fuel efficiency of my Infiniti QX56?
How can I improve the fuel efficiency of my Infiniti QX56?
To improve the fuel efficiency of your Infiniti QX56, maintain proper tire pressure, use the recommended fuel grade, and perform regular maintenance such as oil changes and air filter replacements. Additionally, avoid aggressive driving habits and reduce unnecessary weight in the vehicle. Consider using a fuel system cleaner periodically to keep the fuel system in optimal condition.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Infiniti QX56 Owner's Manual
Coming SoonThe owner's manual provides detailed information on vehicle operation, maintenance schedules, and troubleshooting tips for the 2004-2010 Infiniti QX56.
Infiniti QX56 Technical Service Bulletin
Coming SoonThis bulletin contains updates and technical information for addressing common issues and improving the performance of the 2004-2010 Infiniti QX56.
Infiniti QX56 Parts Catalog
Coming SoonThe parts catalog provides a comprehensive list of OEM parts and accessories available for the 2004-2010 Infiniti QX56, including fuel system components.
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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.
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