Acura TSX 2004-2008

Acura TSX 2004-2008 Fuel System Specifications

Detailed technical guide for the 2004-2008 Acura TSX fuel system, including fuel type, pressure, injector, and pump specifications. Ideal for maintenance, diagnostics, and repair.

Updated Oct 24, 2023

Fuel Specifications Overview Specifications

This document provides detailed fuel specifications for the 2004-2008 Acura TSX. It includes information on fuel type, capacity, efficiency, and system details. Use this guide to understand the fuel requirements and maintenance tips for optimal performance. Navigate through sections for comprehensive details or refer to the quick reference for key specifications.

How to Use

To find specific information, use the search function by typing keywords like 'fuel type' or 'capacity'. This helps in quickly locating relevant sections.

Navigate through the document by selecting major sections such as 'Fuel Type and Capacity' or 'Fuel Efficiency'. Each section contains subsections with detailed points for easy access.

Key Specifications

▲

Fuel Type

Premium Unleaded Gasoline

■

Fuel Capacity

16.2 gallons

●

City MPG

22 MPG

◆

Highway MPG

31 MPG

★

Recommended Octane

91 or higher

Available Specifications

Fuel Type and Capacity

This section outlines the appropriate fuel type and tank capacity for the 2004-2008 Acura TSX, ensuring proper vehicle maintenance.

Fuel Type

Premium unleaded gasoline recommended
Using lower octane can decrease performance
High-octane fuel suggested for optimal efficiency
Avoid using diesel or E85 fuels

Fuel Tank Capacity

Approximate capacity: 16.2 gallons
Refill when fuel level reaches 1/4 tank
Avoid overfilling to prevent system damage
Capacity varies slightly by model year

Fuel Efficiency

Discover the fuel economy ratings for the Acura TSX, including city and highway MPG, to understand its efficiency.

Fuel Economy Ratings

City: Up to 22 MPG
Highway: Up to 31 MPG
Combined: Approximately 26 MPG
2004 models may have slightly lower ratings

Optimizing Fuel Efficiency

Maintain proper tire pressure
Regular tune-ups improve efficiency
Consistent driving habits enhance MPG
Avoid excessive idling

Recommended Fuel

Understand the best fuel options and maintenance practices for your Acura TSX's fuel system.

Recommended Fuel Octane

Minimum 91 octane recommended
Higher octane does not improve performance
Using lower octane can cause knocking
Consistent octane use maintains engine health

Fuel System Maintenance

Replace fuel filter every 15,000 miles
Inspect fuel lines for damage or leaks
Clean fuel injectors every 30,000 miles
Check fuel cap for proper sealing

Fuel System Details

Technical specifications of the fuel system, including engine and injection details.

Engine Specifications

2.4L inline-4 cylinder engine
DOHC with i-VTEC technology
Produces 200-205 horsepower
185-171 lb-ft of torque

Fuel Injection System

Multi-point fuel injection
4-hole fuel injectors
Fuel pressure: 40-50 psi
Sequential injection timing

Search Specifications

Search by specification name, value, or description

Component Specifications

Overview

Type: gasoline

Configuration: fuel-injected

Fuel Type: regular unleaded (87 octane)

Fuel Delivery: Sequential Multi-Port Fuel Injection

Tank Location: rear

Dimensions

Fuel Tank Capacity: 13.2 gallons (50 liters)

Fuel Pump Pressure: 43.5 psi (3.0 bar)

Fuel injector Flow Rate: 240 cc/min

intake Manifold Length: 15.75 inches (400 mm)

intake Manifold Width: 7.88 inches (200 mm)

Fuel Line Diameter: 5/16 inch (8 mm)

Throttle Body Diameter: 62 mm

Materials

Fuel Tank: high-density polyethylene

Fuel Lines: nylon-reinforced rubber

Fuel injectors: stainless steel

Fuel Pump: durable plastic with metal impeller

Features

Engine Performance

improved combustion efficiency
better throttle response
optimized fuel atomization
reduced emissions

Fuel Efficiency

enhanced fuel injection mapping
precise air/fuel ratio control
adaptive fuel strategy
improved mileage under light load

Reliability

corrosion-resistant components
durable fuel pump design
long-lasting fuel injectors
reliable fuel pressure regulator

Emissions Control

catalytic converter
evaporative emissions system
secondary air injection
exhaust gas recirculation

Design

compact fuel system layout
integrated fuel pump and sender
lightweight fuel tank design
simplified fuel line routing

Safety Features

Fuel System Protection

roll-over valve
fuel cut-off in case of crash
electrical circuit protection
leak detection system

Leak Detection

OBD-II system monitoring
fuel tank pressure sensor
evaporative system monitoring
warning light notification

Fire Resistance

heat-resistant fuel lines
shielded fuel components
protected fuel tank location
firewall insulation

Comfort Features

Noise Reduction

insulated fuel lines
dampened fuel pump operation
sound-absorbing materials

Consistent Power Delivery

stable fuel pressure regulation
adaptive fuel injection timing
smooth throttle response

Cold Weather Operation

fuel line insulation
cold-weather fuel additive compatibility
improved starting performance

Convenience

large fuel tank capacity
easy-to-reach fuel filler
fuel level indicator
fuel door release

Accessories

Fuel injector Cleaning Kit

professional-grade cleaner
universal fuel injector adapter
cleaning solution
usage instructions

High Flow Fuel Filter

premium filter material
increased flow capacity
easy installation
long service life

Fuel Additive

detergent-based additive
corrosion inhibitors
fuel system cleaner
octane booster

Maintenance

Service interval: Every 30,000 miles or 36 months

Items

inspect fuel lines and connections
replace fuel filter
check fuel pump operation
inspect fuel injector condition
test fuel system pressure

Notes: Use only Honda-approved parts and follow proper procedures to avoid system damage.

Warranty

Basic: Miles: 36,000 miles
Years: 3 years
Coverage: components and labor

Powertrain: Miles: 60,000 miles
Years: 5 years
Coverage: fuel system components including injectors and pump

Emissions: Miles: 80,000 miles
Years: 8 years
Coverage: emissions-related components

Fuel System: Miles: 50,000 miles
Years: 4 years
Coverage: fuel tank, lines, and pump

Production Details

Manufacturer: Honda Motor Co., Ltd.

Manufacturing Process

precision injection molding
robotic welding
laser cutting
computer-controlled assembly

Quality Control: inspection: multi-stage quality checks
Testing: pressure testing of fuel system
Certification: compliance with emissions standards

Sustainability Practices

recyclable materials
low-emission manufacturing
energy-efficient processes
waste reduction programs

Production Metrics: Annual Output: over 50,000 units
Quality Rating: ISO 9001 certified
Reliability Rating: 95% defect-free rate
Warranty Claims: less than 1%

Service Information for Fuel System Service

Regular maintenance is crucial for optimal performance and longevity of the fuel system.

7,500 miles

12 months

Inspect fuel lines and connections for leaks or damage
Check fuel cap for proper sealing
Test fuel system pressure
Inspect fuel injector condition
Replace fuel filter

Essential for maintaining fuel efficiency and performance.

15,000 miles

24 months

Clean fuel injectors
Inspect fuel pump operation
Check evaporative emissions system
Test fuel sensor operation
Inspect fuel tank for rust or damage

Recommended to prevent premature wear and potential system failure.

30,000 miles

36 months

Replace fuel pump if necessary
Inspect throttle body for carbon buildup
Check catalytic converter efficiency
Inspect secondary air injection system
Perform comprehensive fuel system test

Critical for maintaining emissions compliance and system reliability.

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel should I use in my 2004-2008 Acura TSX?

The 2004-2008 Acura TSX requires unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and engine knocking.

What is the fuel tank capacity of the 2004-2008 Acura TSX?

The fuel tank capacity of the 2004-2008 Acura TSX is 17.1 gallons (65 liters).

Can I use ethanol-blended fuel in my Acura TSX?

Yes, the 2004-2008 Acura TSX can safely use ethanol-blended fuels containing up to 10% ethanol (E10). Using fuels with higher ethanol content may damage the fuel system and void the warranty.

What is the fuel economy of the 2004-2008 Acura TSX?

The 2004-2008 Acura TSX has an EPA-estimated fuel economy of 22 mpg in the city and 31 mpg on the highway for the manual transmission model. The automatic transmission model achieves 21 mpg in the city and 30 mpg on the highway.

How often should I replace the fuel filter in my Acura TSX?

The fuel filter in the 2004-2008 Acura TSX is designed to last the lifetime of the vehicle under normal driving conditions. However, if you experience reduced performance or fuel delivery issues, consult a professional technician for inspection and potential replacement.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Acura TSX Owner's Manual

Coming Soon

The official owner's manual for the 2004-2008 Acura TSX, containing detailed information on fuel specifications, maintenance schedules, and safety warnings.

Fuel System Maintenance Guide

Coming Soon

A comprehensive guide on maintaining the fuel system of your Acura TSX, including tips on fuel filter inspection and fuel injector cleaning.

Acura Genuine Parts Catalog

Coming Soon

Access the official Acura parts catalog to find genuine fuel system components for your 2004-2008 TSX, ensuring optimal performance and warranty compliance.

Fuel Efficiency Tips for Acura TSX

Coming Soon

Learn how to maximize fuel efficiency in your 2004-2008 Acura TSX with practical driving tips and maintenance advice.

About the Author

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