Acura TSX 2009-2014

Acura TSX 2009-2014 Fuel System Specifications

Detailed technical guide for the 2009-2014 Acura TSX fuel system, including fuel type, pressure, injector, and pump specifications. Ideal for technicians and enthusiasts.

Updated Oct 24, 2023

Acura TSX Fuel Specifications Overview Specifications

This document provides a comprehensive overview of the fuel specifications for the 2009-2014 Acura TSX. It includes detailed information on fuel types, tank capacity, fuel economy, and maintenance recommendations. Use this guide to ensure proper fuel usage, maintain optimal performance, and comply with manufacturer guidelines. Navigate through the sections for specific details or refer to the quick reference section for key specifications.

How to Use

To find specific information, use the search functionality by typing keywords such as 'fuel type' or 'capacity'. Results will highlight relevant sections.

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Key Specifications

▲

Fuel Type

Regular unleaded (87 octane)

■

Fuel Tank Capacity

18.5 gallons

●

City MPG

21 MPG

◆

Highway MPG

31 MPG

★

Combined MPG

25 MPG

Available Specifications

Fuel Types and Recommendations

This section outlines the recommended fuel types for the 2009-2014 Acura TSX, including octane ratings and usage guidelines. Proper fuel selection is crucial for optimal performance and engine longevity.

Recommended Fuel Type

Regular unleaded gasoline (87 octane) is recommended for standard driving conditions.
Mid-grade or premium gasoline (91-93 octane) may be used for increased performance or high-altitude driving.
Avoid using gasoline with methanol or ethanol content higher than 10%.
Do not use diesel or E85 fuel, as it may damage the engine and fuel system.

Fuel Octane Requirements

Minimum octane rating: 87
Recommended octane rating: 91
Using lower octane fuel may result in reduced performance or engine knocking.
Higher octane fuel does not improve performance in normal driving conditions.

Fuel Tank and Capacity

This section provides details on the fuel tank capacity, filler location, and related specifications for the 2009-2014 Acura TSX.

Fuel Tank Capacity

Fuel tank capacity: 18.5 gallons (70 liters)
Reserve fuel capacity: Approximately 2 gallons (7.6 liters)
Fuel filler location: Driver-side rear fender.
Fuel tank material: High-density polyethylene for durability and corrosion resistance.

Fuel Economy

This section includes fuel economy ratings and estimates for the 2009-2014 Acura TSX, based on EPA standards and driving conditions.

EPA Fuel Economy Ratings

City: 21 MPG (miles per gallon)
Highway: 31 MPG
Combined: 25 MPG
Actual mileage may vary based on driving habits, conditions, and vehicle maintenance.

Search Specifications

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Component Specifications

Overview

Type: gasoline

Configuration: front-engine, front-wheel drive

Fuel Tank Location: rear

Fuel Type: regular unleaded (87 octane)

Fuel injection System: multi-point fuel injection

Epa Estimated Mileage: 22 mpg city, 31 mpg highway

Dimensions

Fuel Tank Capacity: 18.5 gallons (70 liters)

Fuel Line Diameter: 0.5 inches (1.27 cm)

Fuel injector Size: multi-hole type, 0.0097 in (0.247 mm) diameter

Fuel Pump Pressure: 45 psi (3.1 bar)

Fuel Filter Length: 6.5 inches (16.5 cm)

Fuel Filter Width: 3.5 inches (8.9 cm)

Fuel Tank Height: 26.4 inches (67 cm) for 2.4L engine

Fuel Tank Width: 42.9 inches (109 cm) for 3.5L engine

Materials

Fuel Tank: high-density polyethylene (HDPE)

Fuel Lines: fluorocarbon-based rubber

Fuel injectors: stainless steel with platinum tips

Fuel Pump: aluminum alloy with plastic components

Fuel Filter: paper element with metal end caps

Features

Fuel Efficiency

variable valve timing (VTEC)
Eco Assist system
optimized combustion chamber design
lightweight engine components

Fuel Delivery

multi-point fuel injection
variable fuel pressure control
sequential fuel injection timing
returnless fuel system

Safety

fuel cutoff in case of collision
roll-over valve
fuel tank pressure sensor
evaporative emissions control

Monitoring

fuel level sensor
low fuel warning light
real-time fuel economy display
fuel system status indicators

Convenience

fuel filler door release
capless fuel filler design
automatic fuel door opener
fuel door lock

Emissions Control

catalytic converter
evaporative emissions canister
positive crankcase ventilation
exhaust gas recirculation

Safety Features

Fuel System Safety

automatic fuel pump shut-off in case of collision
fuel tank rollover protection
leak detection system

Fire Prevention

heat shields on fuel lines
fuel system purge control
spark arrestor in fuel tank vent

Leak Prevention

double-walled fuel tank
evaporative emissions system
sealed fuel injectors

Comfort Features

Smooth Operation

minimal fuel system noise
vibration-dampening fuel tank mounts
smooth fuel delivery for consistent power

Convenience

large fuel tank capacity for extended range
easy fuel filler access
fuel level indicator with bar graph

Quiet Operation

acoustic insulation on fuel lines
quiet fuel pump operation
sound-dampening fuel tank material

Performance

consistent fuel flow under all conditions
high-pressure fuel system for better performance
quick fuel system response

Accessories

Fuel System Accessories

fuel additive kit
fuel tank cleaning service
fuel line protective sleeves
fuel cap replacement

Maintenance Accessories

fuel filter wrench
fuel pressure test kit
fuel system cleaning kit
fuel injector cleaning service

Convenience Accessories

fuel door opener
fuel tank protection plate
fuel line heat shield
capless fuel filler kit

Maintenance

Service interval: every 15,000 miles or 12 months

Service Items

inspect fuel lines and connections
replace fuel filter
check fuel tank cap
inspect fuel injectors
check fuel system for leaks
test fuel pressure

Notes

Use only Honda/Acura approved fuel additives
Replace fuel filter every 30,000 miles
Inspect fuel tank cap gasket every 5,000 miles
Check fuel system for leaks annually

Warranty

Basic: Miles: 36,000
Years: 3
Coverage: entire fuel system

Powertrain: Miles: 60,000
Years: 5
Coverage: fuel system components

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

Fuel System: Miles: 120,000
Years: 10
Coverage: fuel tank and lines

Production Details

Manufacturer: Honda Manufacturing of America

Manufacturing Process

robotic welding
high-precision fuel injector assembly
fuel tank blow molding
laser-cut fuel line fabrication

Quality Control: inspection: 100% leak testing of fuel system components
Testing: pressure testing of fuel lines and tank
Certification: compliance with EPA and CARB standards

Sustainability Practices

recyclable materials in fuel system components
reduced emissions during manufacturing
energy-efficient production processes

Production Metrics: Fuel Tank Production Capacity: 500 units per day
Fuel injector Production Capacity: 1000 units per day
Quality Control Pass Rate: 99.9%
Warranty Claim Rate: less than 1%

Service Information for Fuel System Service

Maintenance and service requirements specific to the fuel system

5,000

Inspect fuel lines and connections
Check fuel tank cap
Monitor fuel filter condition
Test fuel pressure
Check for fuel leaks

Perform visual inspection of all fuel system components

15,000

Replace fuel filter
Inspect fuel injectors
Check fuel tank vent system
Test fuel system for leaks
Clean fuel system (if necessary)

Use only genuine Honda/Acura parts for replacement

30,000

Replace fuel tank cap
Inspect fuel pump operation
Clean fuel injectors
Check fuel pressure regulator
Inspect fuel system hoses

Perform thorough inspection of entire fuel system

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel should I use in my 2009-2014 Acura TSX?

The 2009-2014 Acura TSX requires unleaded gasoline with an octane rating of 91 or higher. Using a lower octane fuel can result in reduced performance and engine knocking.

What is the fuel tank capacity of the 2009-2014 Acura TSX?

The fuel tank capacity for the 2009-2014 Acura TSX is 18.5 gallons (70 liters). This allows for a balance between range and vehicle weight.

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

Yes, the 2009-2014 Acura TSX can safely use ethanol-blended fuels containing up to 10% ethanol (E10). However, fuels with higher ethanol concentrations, such as E15 or E85, are not recommended and may cause engine damage.

What is the fuel economy of the 2009-2014 Acura TSX?

The 2009-2014 Acura TSX achieves an EPA-estimated fuel economy of 20-22 mpg in the city and 28-31 mpg on the highway, depending on the trim and driving conditions.

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

The fuel filter in the 2009-2014 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 certified Acura technician for inspection.

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 provides detailed information on fuel specifications, maintenance schedules, and safety precautions.

Fuel System Maintenance Guide

Coming Soon

A comprehensive guide to maintaining the fuel system, including tips for optimal performance and longevity.

Acura Genuine Parts Catalog

Coming Soon

Access the official catalog for genuine Acura fuel system components to ensure compatibility and warranty compliance.

Fuel Efficiency Tips for Acura TSX

Coming Soon

Learn how to maximize fuel efficiency and reduce emissions with practical driving and maintenance tips.

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