Mazda Mazda 929 1986-1991 Fuel System Specifications
Explore detailed fuel specifications for the 1986-1991 Mazda 929, including fuel type, octane rating, fuel system components, and fuel economy. Ideal for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed fuel specifications for the 1986-1991 Mazda 929. It includes information on fuel types, fuel economy, tank capacity, and related technical details. Use this guide to understand the vehicle's fuel requirements and performance. The document is organized into sections for easy navigation, with a quick reference table for key specifications.
How to Use
Use the search function to find specific terms or phrases within the document. Enter keywords related to fuel specifications, such as 'octane rating' or 'fuel tank capacity,' to quickly locate relevant information.
Navigate through the document by scrolling through sections or using the table of contents. Each section is labeled with a title and description, making it easy to find the information you need.
Key Specifications
Fuel Type
Unleaded Gasoline (87+ Octane)
Fuel Tank Capacity
18.5 gallons
City Mileage
18-20 MPG
Highway Mileage
24-26 MPG
Combined Mileage
21-23 MPG
Available Specifications
Fuel Types and Requirements
This section covers the types of fuel recommended for the 1986-1991 Mazda 929, including octane ratings and any special requirements. It also discusses the impact of fuel quality on engine performance.
Fuel Types and Requirements
This section covers the types of fuel recommended for the 1986-1991 Mazda 929, including octane ratings and any special requirements. It also discusses the impact of fuel quality on engine performance.
Recommended Fuel Type
- Use unleaded gasoline with an octane rating of 87 or higher.
- Premium fuel (91 octane or higher) is recommended for optimal performance.
- Avoid using leaded gasoline or diesel fuel.
- Ethanol blends up to 10% (E10) are acceptable.
Fuel Quality Impact
- Low-quality fuel can cause engine knocking and reduced performance.
- Using higher octane fuel improves combustion efficiency.
- Contaminated fuel may damage the fuel system components.
- Regularly check for water or debris in the fuel tank.
Fuel Economy
This section provides details on the fuel efficiency of the 1986-1991 Mazda 929, including city and highway mileage estimates. It also discusses factors that can affect fuel economy.
Fuel Economy
This section provides details on the fuel efficiency of the 1986-1991 Mazda 929, including city and highway mileage estimates. It also discusses factors that can affect fuel economy.
Mileage Estimates
- City mileage: Approximately 18-20 MPG.
- Highway mileage: Approximately 24-26 MPG.
- Combined mileage: Approximately 21-23 MPG.
- Actual mileage may vary based on driving conditions.
Factors Affecting Fuel Economy
- Driving habits, such as rapid acceleration or braking.
- Vehicle load and weight distribution.
- Tire pressure and alignment.
- Environmental conditions, such as temperature and altitude.
Fuel Tank and System
This section covers the fuel tank capacity, fuel delivery system, and related components of the 1986-1991 Mazda 929. It includes details on maintenance and troubleshooting.
Fuel Tank and System
This section covers the fuel tank capacity, fuel delivery system, and related components of the 1986-1991 Mazda 929. It includes details on maintenance and troubleshooting.
Fuel Tank Capacity
- Fuel tank capacity: 18.5 gallons (70 liters).
- Reserve fuel capacity: Approximately 2.5 gallons (9.5 liters).
- Fuel gauge accuracy may vary under certain conditions.
- Always refuel before the tank is completely empty.
Fuel System Components
- Includes a fuel pump, fuel filter, and fuel injectors.
- Regularly replace the fuel filter every 30,000 miles.
- Inspect fuel lines for leaks or damage periodically.
- Ensure the fuel cap is tightly sealed to prevent evaporation.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Gasoline
- Octane Rating
- 91 RON (87 AKI)
- Fuel System
- Multi-point fuel injection
- Tank Capacity
- 18.5 gallons (70 liters)
- Fuel Economy
- 18 mpg city / 24 mpg highway (13 L/100km city / 9.8 L/100km highway)
Dimensions
- Tank Length
- 42 inches (106.7 cm)
- Tank Width
- 24 inches (61 cm)
- Tank Height
- 12 inches (30.5 cm)
- Filler Neck Diameter
- 1.5 inches (3.8 cm)
- Fuel Line Diameter
- 0.375 inches (9.5 mm)
- Fuel Pump Pressure
- 36 psi (2.5 bar)
- Fuel Filter Size
- 4 inches x 2 inches (10.2 cm x 5.1 cm)
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nitrile rubber with steel reinforcement
- Fuel Pump
- Stainless steel and plastic composite
- Fuel Filter
- Cellulose and resin composite
Features
- Fuel Delivery
-
- Electronic fuel injection
- Sequential multi-port injection
- Variable fuel pressure regulation
- Emission Control
-
- Catalytic converter
- Evaporative emission control system
- Oxygen sensors
- Safety
-
- Rollover valve
- Fuel cut-off inertia switch
- Vapor recovery system
- Monitoring
-
- Fuel level sensor
- Low fuel warning light
- Fuel consumption display
- Maintenance
-
- Replaceable fuel filter
- Serviceable fuel pump
- Drainable fuel tank
Safety Features
- Fire Prevention
-
- Flame arrestor in filler neck
- Fuel tank impact protection
- Leak Prevention
-
- Double-sealed fuel lines
- Pressure-tested fuel tank
- Emergency Shutoff
-
- Automatic fuel pump shutoff
- Manual fuel pump cutoff switch
Comfort Features
- Refueling
-
- Easy-access fuel filler door
- Lockable fuel cap
- Automatic fuel nozzle shutoff
- Driving
-
- Smooth fuel delivery
- Consistent fuel pressure
- Quiet fuel pump operation
- Maintenance
-
- Easy fuel filter replacement
- Accessible fuel pump
- Drain plug for fuel tank
Accessories
- Fuel Additives
-
- Fuel system cleaner
- Octane booster
- Fuel stabilizer
- Replacement Parts
-
- Fuel filter
- Fuel pump assembly
- Fuel level sensor
- Tools
-
- Fuel pressure tester
- Fuel line disconnect tool
- Fuel tank siphon pump
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect fuel lines for leaks
- Replace fuel filter
- Check fuel pump pressure
- Clean fuel injectors
- Inspect fuel tank for damage
- Maintenance Notes
- Use only recommended fuel grade. Avoid running tank below 1/4 full to prevent fuel pump overheating.
Warranty
- Fuel Tank
- Years: 5Miles: 60,000Coverage: Manufacturer defects
- Fuel Pump
- Years: 3Miles: 36,000Coverage: Parts and labor
- Fuel injectors
- Years: 2Miles: 24,000Coverage: Parts only
- Emission System
- Years: 8Miles: 80,000Coverage: Federal emissions warranty
Production Details
- Manufacturer
- Mazda Motor Corporation
- Manufacturing Process
-
- Injection molding for fuel tank
- Robotic assembly for fuel pump
- Precision machining for fuel injectors
- Quality Control
- Pressure Testing: 100% of fuel tanksLeak Testing: 100% of fuel linesPerformance Testing: Sample testing of fuel pumps
- Sustainability Practices
-
- Recycled materials in fuel tank
- Low-emission manufacturing
- Recyclable fuel system components
- Production Metrics
- Annual Production: 50,000 unitsDefect Rate: 0.01%Energy Efficiency: 95%
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Replace fuel filter
- Check fuel pump pressure
- Test fuel injector operation
- Inspect fuel tank for damage
Use only manufacturer-approved replacement parts
- Replace fuel pump assembly
- Clean fuel injectors
- Inspect and clean fuel tank
- Replace fuel level sensor
- Test emission control system
Requires specialized diagnostic equipment
- Complete fuel system inspection
- Replace all fuel lines
- Replace fuel tank if necessary
- Overhaul fuel injection system
- Test and calibrate emission sensors
Major service requiring dealership-level tools and expertise
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is compatible with the 1986-1991 Mazda 929?
What type of fuel is compatible with the 1986-1991 Mazda 929?
The 1986-1991 Mazda 929 is compatible with unleaded gasoline with an octane rating of 87 or higher. Using premium fuel (91 octane or higher) is recommended for optimal performance, especially in high-performance driving conditions. Avoid using leaded gasoline or diesel, as these can damage the engine and fuel system components.
Q2 What are the maintenance requirements for the Mazda 929's fuel system?
What are the maintenance requirements for the Mazda 929's fuel system?
Regular maintenance for the Mazda 929's fuel system includes inspecting and replacing the fuel filter every 30,000 miles, checking fuel lines for leaks or wear, and using fuel system cleaners periodically to prevent carbon buildup. Additionally, ensure the fuel cap is tightly sealed to maintain proper pressure and avoid evaporation.
Q3 How do I replace the fuel filter on a 1986-1991 Mazda 929?
How do I replace the fuel filter on a 1986-1991 Mazda 929?
To replace the fuel filter, first, relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls. Locate the fuel filter, typically near the fuel tank. Disconnect the fuel lines using a wrench, then remove the old filter. Install the new filter, ensuring the flow direction arrow points toward the engine. Reconnect the fuel lines and secure the filter. Finally, reinstall the fuel pump fuse and start the engine to check for leaks.
Q4 What should I do if my Mazda 929 has poor fuel efficiency?
What should I do if my Mazda 929 has poor fuel efficiency?
Poor fuel efficiency in the Mazda 929 can result from a clogged fuel filter, dirty fuel injectors, or improper tire pressure. Start by inspecting and replacing the fuel filter if necessary. Clean the fuel injectors using a fuel system cleaner. Check and adjust tire pressure to the recommended level. If issues persist, inspect the oxygen sensor and air filter for potential problems.
Q5 How can I optimize the fuel performance of my Mazda 929?
How can I optimize the fuel performance of my Mazda 929?
To optimize fuel performance, use high-quality fuel with the recommended octane rating. Regularly replace the air filter and fuel filter to ensure proper airflow and fuel delivery. Maintain proper tire pressure and avoid excessive idling. Additionally, perform routine engine tune-ups, including spark plug replacement and ignition system checks, to ensure efficient 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.
1986-1991 Mazda 929 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the Mazda 929. Includes detailed diagrams and step-by-step instructions.
Mazda 929 Technical Service Bulletin
Coming SoonOfficial bulletin addressing common issues and updates for the 1986-1991 Mazda 929. Includes solutions for fuel system and engine performance problems.
Mazda 929 Parts and Accessories Catalog
Coming SoonCatalog listing genuine parts and accessories for the 1986-1991 Mazda 929. Includes fuel system components, filters, and performance upgrades.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.