Acura Integra 1985-1989

Acura Integra 1985-1989 Fuel System Specifications

Comprehensive technical specifications for the fuel system of the 1985-1989 Acura Integra. Includes fuel type, fuel pump, fuel injector, and fuel pressure details for maintenance and repair.

Updated Oct 24, 2023

Overview Specifications

This document provides detailed fuel specifications and guidelines for the 1985-1989 Acura Integra. It includes information on fuel types, capacities, injection systems, efficiency, and maintenance tips. Use this guide to understand and optimize your vehicle's fuel performance. Navigate through the sections to find specific details or refer to the quick reference section for key specifications.

How to Use

To search, use keywords related to fuel specifications (e.g., 'fuel type', 'capacity', 'efficiency'). Results will highlight relevant sections.

Navigate through the sections using the table of contents. Each section contains subsections with detailed technical points. Use the quick reference section for at-a-glance key specifications.

Key Specifications

▲

Fuel Type

Premium unleaded (91 octane)

■

Fuel Capacity

13.2 gallons (50 liters)

●

Fuel Injection Type

Multi-point fuel injection

◆

Recommended Octane

91 octane or higher

★

Fuel Economy (city/highway)

25 MPG / 31 MPG

Available Specifications

Fuel Type and Capacity

This section provides information on the recommended fuel type, tank capacity, and fuel system specifications for the 1985-1989 Acura Integra.

Fuel Type

Recommended fuel: Premium unleaded gasoline (91 octane or higher)
Acceptable fuel: Regular unleaded gasoline (87 octane)
Do not use diesel or E85 fuels
Using lower octane may reduce performance
Higher octane recommended for optimal engine performance

Fuel Capacity

Fuel tank capacity: Approximately 13.2 gallons (50 liters)
Reserve fuel capacity: Approximately 2.6 gallons (10 liters)
Fuel level sensor: Float-type sensor in the fuel tank
Fuel cap: Squeeze-type with tether

Fuel Injection System

This section details the fuel injection system specifications, including components and operational parameters.

Fuel Injection System Overview

Multi-point fuel injection system (MPFI)
Electronic fuel injection (EFI)
Fuel injectors: 4 units (one per cylinder)
Fuel pressure: Approximately 35-40 PSI (2.4-2.7 bar)
Fuel pressure regulator: Integrated in the fuel injector rail

Fuel Filter and Lines

Fuel filter: Located along the fuel line near the fuel tank
Fuel line material: Steel and rubber hoses
Fuel pump: Electric, located inside the fuel tank
Fuel pump relay: Located in the engine compartment relay box

Fuel Efficiency and Consumption

This section provides information on fuel efficiency, consumption rates, and factors affecting fuel economy.

Fuel Efficiency

EPA estimated mileage: Up to 25 MPG city, 31 MPG highway
Actual mileage may vary based on driving conditions
Optimal fuel efficiency achieved at steady speeds
Aggressive driving reduces fuel efficiency
Proper tire pressure improves fuel economy

Fuel Consumption Factors

Engine load: High load reduces fuel efficiency
Temperature: Extreme temperatures affect fuel efficiency
Maintenance: Poor maintenance reduces fuel efficiency
Driving habits: Acceleration and braking patterns impact fuel consumption
Accessory use: A/C and other accessories increase fuel consumption

Maintenance and Troubleshooting

This section provides maintenance tips and troubleshooting guidelines for the fuel system.

Fuel System Maintenance

Replace fuel filter every 15,000 to 30,000 miles
Inspect fuel lines and connections for leaks
Clean fuel injectors every 30,000 miles or as needed
Check fuel cap for proper sealing
Replace fuel pump if noise or low pressure is detected

Troubleshooting Common Issues

Low fuel pressure: Check fuel pump, fuel filter, and regulator
Poor fuel efficiency: Check tire pressure, air filter, and driving habits
Fuel leaks: Inspect fuel lines and connections
Rough engine performance: Check fuel injectors and spark plugs
Fuel odor: Check for leaks or faulty fuel cap

Search Specifications

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Component Specifications

Overview

Type: Fuel Injection System

Configuration: Multi-Point Fuel Injection

Platform: Honda D-Series Engine

Material: Steel Fuel Tank

Location: Mid-Mounted Fuel Tank

Fuel Type: Regular Unleaded Gasoline

Dimensions

Fuel Tank Capacity: 14.5 gallons (55 liters)

Fuel Tank Length: 40 inches (101.6 cm)

Fuel Tank Width: 20 inches (50.8 cm)

Fuel Tank Height: 10 inches (25.4 cm)

Fuel Pump Flow Rate: 28 liters per hour

Fuel injector Flow Rate: 240 cc per minute

Fuel Line Diameter: 0.375 inches (9.53 mm)

Materials

Fuel Tank: Steel

Fuel Lines: Rubber

Fuel injectors: Stainless Steel

Fuel Pump: Plastic with Metal Internals

Fuel Pressure Regulator: Aluminum

Features

Fuel Delivery

Multi-Point Fuel Injection System
High-Pressure Fuel Pump
Fuel Pressure Regulator

Fuel Efficiency

Returnless Fuel System
Fuel Cutoff During Deceleration
Adaptive Fuel Injection Mapping

Fuel Monitoring

Fuel Level Sensor
Fuel Pressure Sensor
Fuel Temperature Sensor

System Protection

Anti-Siphon Valve
Rollover Valve
Evaporative Emissions Canister

Emission Control

Catalytic Converter
Charcoal Canister
EGR System Integration

Safety Features

Fuel System integrity

Sealed Fuel Tank
Protected Fuel Lines
Durable Fuel Connections

Leakage Prevention

Check Valves
Vapor Recovery System
Leak Detection Sensors

Theft Prevention

Locking Fuel Cap
Anti-Siphon Design

Crash Safety

Rollover Protection Valve
Impact-Resistant Fuel Tank
Automatic Fuel Cutoff in Case of Crash

Comfort Features

Consistent Fuel Flow: Ensures Smooth Engine Operation

Low Noise Fuel Pump: Reduced Operational Noise

Smooth Engine Operation: Optimized Fuel Injection Timing

Reduced Emissions: Cleaner Exhaust Emissions

Accessories

Maintenance Accessories

Fuel Filter Replacement Kit
Fuel Injector Cleaning Kit
Fuel Pressure Test Kit

Performance Accessories

High-Flow Fuel Injectors
Upgraded Fuel Pump
Aftermarket Fuel Lines

installation Accessories

Fuel Tank Replacement Kit
Fuel Cap Replacement
Fuel Line Repair Kit

Maintenance

Service interval: Every 15,000 miles or 12 months

Service Items

Replace Fuel Filter
Inspect Fuel Lines
Check Fuel Injector Operation
Test Fuel Pressure
Clean Fuel Injectors

Maintenance Notes: Use only genuine or OEM-approved parts for maintenance.

Warranty

Basic Warranty: Miles: 36,000 miles
Years: 3 years
Coverage: Defects in materials and workmanship

Performance Warranty: Miles: 60,000 miles
Years: 5 years
Coverage: Fuel system performance and reliability

Corrosion Warranty: Miles: 100,000 miles
Years: 5 years
Coverage: Perforation due to corrosion

Maintenance Warranty: Miles: 30,000 miles
Years: 2 years
Coverage: Maintenance services as per schedule

Production Details

Manufacturer: Honda Motor Co., Ltd.

Manufacturing Process

Precision Engineering
Robotic Welding
Advanced Quality Control

Quality Control: inspection: Visual and Functional Testing
Testing: Pressure and Leakage Testing
Certification: Compliance with Industry Standards

Sustainability Practices

Recyclable Materials
Emission Reduction
Energy-Efficient Manufacturing

Production Metrics: Annual Production: 200,000 units
Reliability Rating: 99% or higher
Defect Rate: Less than 1%

Service Information for Fuel System Service

Maintenance and service requirements specific to the fuel system of the 1985-1989 Acura Integra

15,000 miles

12 months

Replace fuel filter
Inspect fuel lines for cracks or damage
Check fuel injector operation
Test fuel pressure
Clean fuel injectors if necessary

Use only genuine or OEM-approved parts for replacement.

30,000 miles

24 months

Inspect fuel tank for rust or corrosion
Check fuel pump operation
Test fuel pressure regulator
Inspect fuel system for leaks
Replace fuel cap if necessary

Ensure all inspections are performed by a qualified technician.

60,000 miles

48 months

Replace fuel pump
Replace fuel injectors
Inspect and replace fuel lines if necessary
Clean fuel system
Test fuel system performance

Major service interval - critical for maintaining fuel system performance and reliability.

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel should I use for my 1985-1989 Acura Integra?

The 1985-1989 Acura Integra requires unleaded gasoline with an octane rating of at least 87. Using higher octane fuels (91 or 93) is acceptable but not necessary for optimal performance.

What is the fuel tank capacity of the 1985-1989 Acura Integra?

The fuel tank capacity for the 1985-1989 Acura Integra is 13.5 gallons (51 liters). This capacity may vary slightly depending on the specific trim or model year.

Are there any additives recommended for the fuel in the 1985-1989 Acura Integra?

Acura does not recommend specific fuel additives for the Integra. However, using fuel that meets EPA standards and contains detergents to prevent deposit buildup in the engine is advisable.

Can I use ethanol-blended fuel in my 1985-1989 Acura Integra?

The 1985-1989 Acura Integra can safely use ethanol-blended fuels with up to 10% ethanol (E10). Fuels with higher ethanol content (E15 or E85) are not recommended and may cause engine damage.

What is the fuel consumption rate for the 1985-1989 Acura Integra?

The fuel consumption rate varies by driving conditions, but the average fuel efficiency is approximately 22 MPG (miles per gallon) for city driving and 28 MPG for highway driving.

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 Integra Fuel System Maintenance Guide

Coming Soon

Detailed guide on maintaining the fuel system, including fuel filter replacement and fuel pump inspection.

Official Acura Fuel Specifications

Coming Soon

Acura's official document outlining fuel requirements and recommendations for the Integra.

Fuel Efficiency Optimization Tips

Coming Soon

Tips and best practices for optimizing fuel efficiency in the 1985-1989 Acura Integra.

Ethanol-Blended Fuel Safety Information

Coming Soon

Safety information and guidelines for using ethanol-blended fuels in older Acura models.

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