Infiniti QX50 2019-present 2.0L Turbo I4 Engine Specifications
Explore the detailed specifications of the 2.0L Turbo I4 engine in the 2019-Present Infiniti QX50. Learn about its performance, technology, maintenance, and compatibility with aftermarket parts.
Overview Specifications
This document provides detailed specifications and technical information about the 2.0L Turbo I4 engine used in the 2019-Present Infiniti QX50. It is designed to help users understand the engine's features, performance, and maintenance requirements. The content is organized into sections for easy navigation, and a quick reference guide is included for key specifications. Use the search and navigation instructions to quickly find the information you need.
How to Use
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Browse through the document by scrolling or using the table of contents. Each section is labeled with a title and description, making it easy to find relevant information.
Key Specifications
Engine Type
2.0L Turbo I4
Horsepower
268 hp
Torque
280 lb-ft
Fuel Economy
26 mpg
Compression Ratio
8:1 to 14:1
Available Specifications
Engine Performance
This section covers the performance characteristics of the 2.0L Turbo I4 engine, including horsepower, torque, and acceleration. It also highlights the engine's efficiency and responsiveness.
Engine Performance
This section covers the performance characteristics of the 2.0L Turbo I4 engine, including horsepower, torque, and acceleration. It also highlights the engine's efficiency and responsiveness.
Power and Torque
- 268 horsepower at 5,600 rpm
- 280 lb-ft of torque at 1,600-4,800 rpm
- Turbocharged for enhanced performance
- Direct injection for improved fuel efficiency
Acceleration and Efficiency
- 0-60 mph in 6.3 seconds
- Combined fuel economy of 26 mpg
- Variable compression ratio technology
- Smooth power delivery across RPM range
Engine Design
This section delves into the design features of the 2.0L Turbo I4 engine, including its construction, materials, and innovative technologies.
Engine Design
This section delves into the design features of the 2.0L Turbo I4 engine, including its construction, materials, and innovative technologies.
Construction and Materials
- Aluminum block and cylinder head
- Lightweight design for improved efficiency
- Dual overhead camshaft (DOHC) configuration
- Forged steel crankshaft for durability
Innovative Technologies
- Variable compression ratio (8:1 to 14:1)
- Turbocharger with electronic wastegate
- Multi-point injection system
- Integrated exhaust manifold
Maintenance and Durability
This section provides information on maintaining the 2.0L Turbo I4 engine, including recommended service intervals and durability features.
Maintenance and Durability
This section provides information on maintaining the 2.0L Turbo I4 engine, including recommended service intervals and durability features.
Service Intervals
- Oil change every 5,000-7,500 miles
- Spark plug replacement every 60,000 miles
- Air filter replacement every 30,000 miles
- Coolant flush every 100,000 miles
Durability Features
- High-strength internal components
- Advanced cooling system
- Rigorous testing for reliability
- Long-lasting timing chain
Search Specifications
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Engine Specifications
Overview
- Type
- Turbocharged Inline-4
- Configuration
- Transverse Mount
- Displacement
- 1997 cc (2.0L)
- Compression Ratio
- 8.0:1
- Fuel System
- Direct Injection
- Location
- Front Engine
Dimensions
- Length
- 22.8 in (579 mm)
- Width
- 23.6 in (599 mm)
- Height
- 27.2 in (691 mm)
- Weight
- 352.7 lb (160 kg)
- Bore
- 3.39 in (86 mm)
- Stroke
- 3.39 in (86 mm)
- Oil Capacity
- 5.1 qt (4.8 L)
Materials
- Block
- Aluminum Alloy
- Cylinder Head
- Aluminum Alloy
- Pistons
- Forged Aluminum
- Crankshaft
- Forged Steel
- Valve Train
- Dual Overhead Cam (DOHC)
Features
- Performance
-
- Variable Compression Ratio
- Twin Scroll Turbocharger
- 268 hp @ 5600 rpm
- 280 lb-ft @ 4400 rpm
- Efficiency
-
- Idle Start-Stop System
- Direct Injection System
- Electronic Throttle Control
- Variable Valve Timing
- Cooling
-
- Liquid Cooling System
- Electric Cooling Fan
- Dual Thermostats
- Auxiliary Water Pump
- Emissions
-
- Catalytic Converter
- EGR System
- EVAP System
- OBD-II Compliance
- Sensors
-
- Knock Sensor
- Oxygen Sensor
- MAP Sensor
- Crankshaft Position Sensor
Safety Features
- Engine Protection
-
- Low Oil Pressure Warning
- Overheating Protection
- Engine Immobilizer
- Emission Control
-
- Catalytic Converter
- EVAP System
- OBD-II Monitoring
- Fuel Safety
-
- Fuel Cutoff System
- Impact Sensor Shutoff
- Overflow Protection
Comfort Features
- Noise Reduction
-
- Acoustic Engine Cover
- Hydraulic Engine Mounts
- Sound Deadening Materials
- Vibration Control
-
- Balanced Crankshaft
- Dual Mass Flywheel
- Hydraulic Engine Mounts
- Climate Control
-
- Auxiliary Water Pump
- Electric Cooling Fan
- Dual Thermostats
- Driveability
-
- Smooth Power Delivery
- Responsive Throttle
- Linear Torque Curve
Accessories
- Engine Components
-
- Alternator
- Starter Motor
- AC Compressor
- Power Steering Pump
- Cooling System
-
- Radiator
- Intercooler
- Electric Fan
- Water Pump
- Exhaust System
-
- Turbocharger
- Catalytic Converter
- Muffler
- Exhaust Manifold
Maintenance
- Service interval
- 7500 miles or 6 months
- Service Items
-
- Oil and Filter Change
- Air Filter Inspection
- Spark Plug Replacement
- Timing Chain Inspection
- Fuel System Cleaning
- Maintenance Notes
- Use only 0W-20 synthetic oil
Warranty
- Bumper To Bumper
- Years: 4Miles: 60000Coverage: Comprehensive Coverage
- Powertrain
- Years: 6Miles: 70000Coverage: Engine and Transmission
- Emissions
- Years: 8Miles: 80000Coverage: Emission Control Components
- Corrosion
- Years: 7Miles: 100000Coverage: Perforation Protection
Production Details
- Manufacturer
- Infiniti
- Manufacturing Process
-
- Precision Casting
- CNC Machining
- Automated Assembly
- Laser Welding
- Quality Control
- Testing: Cold Testing, Hot Testing, Durability TestingTolerances: ±0.0001 in (0.0025 mm)inspection: 100% Component Verification
- Sustainability Practices
-
- Recycled Aluminum
- Low Emission Manufacturing
- Energy Efficient Processes
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Assembly Time: 4.5 hours
Service Information for 2.0l turbo i4 engine Service
Maintenance and service requirements specific to this component
- Oil and Filter Change
- Air Filter Inspection
- Tire Rotation
- Fluid Level Checks
- Brake Inspection
Use only 0W-20 synthetic oil
- Cabin Air Filter Replacement
- Fuel System Cleaning
- Spark Plug Inspection
- Engine Mount Inspection
- Coolant Level Check
Check for turbocharger boost leaks
- Spark Plug Replacement
- Timing Chain Inspection
- Fuel Injector Cleaning
- PCV Valve Inspection
- Engine Compression Test
Perform thorough engine diagnostic scan
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 2.0L Turbo I4 engine compatible with other Infiniti models?
Is the 2.0L Turbo I4 engine compatible with other Infiniti models?
The 2.0L Turbo I4 engine, introduced in the 2019 Infiniti QX50, is specifically designed for this model and its platform. While it shares some technological advancements with other Infiniti engines, compatibility with different models is limited due to unique mounting points, electronic systems, and vehicle architecture. Always consult the manufacturer or a certified technician before attempting to use this engine in other vehicles.
Q2 What are the maintenance requirements for the 2.0L Turbo I4 engine?
What are the maintenance requirements for the 2.0L Turbo I4 engine?
The 2.0L Turbo I4 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000 miles, air filter replacement every 15,000 miles, and spark plug inspection every 30,000 miles. Additionally, the turbocharger should be inspected for wear and tear periodically. Following the manufacturer’s maintenance schedule is crucial to prolonging the engine’s lifespan and maintaining efficiency.
Q3 How do I replace the 2.0L Turbo I4 engine in the Infiniti QX50?
How do I replace the 2.0L Turbo I4 engine in the Infiniti QX50?
Replacing the 2.0L Turbo I4 engine involves several steps: disconnect the battery, drain fluids, remove the engine mounts, and detach electrical connections. Use a hoist to lift the engine out and reverse the process to install the new one. Ensure all connections are secure and refill fluids. This process requires advanced mechanical skills and tools, so professional assistance is recommended.
Q4 What should I do if my 2.0L Turbo I4 engine is underperforming?
What should I do if my 2.0L Turbo I4 engine is underperforming?
If your 2.0L Turbo I4 engine is underperforming, start by checking for common issues like clogged air filters, low oil levels, or faulty spark plugs. Inspect the turbocharger for leaks or damage. Use an OBD-II scanner to check for error codes. If the problem persists, consult a certified technician for a thorough diagnosis and repair.
Q5 How can I optimize the performance of my 2.0L Turbo I4 engine?
How can I optimize the performance of my 2.0L Turbo I4 engine?
To optimize performance, use high-quality synthetic oil and premium fuel. Regularly clean the air intake system and turbocharger. Upgrade to performance air filters and exhaust systems if desired. Ensure the engine control unit (ECU) is updated with the latest software. Avoid aggressive driving to reduce wear and tear on the turbocharger and other components.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2019-Present Infiniti QX50 Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 2.0L Turbo I4 engine and other vehicle components.
Technical Service Bulletin for 2.0L Turbo I4 Engine
Coming SoonLatest updates and fixes for the 2.0L Turbo I4 engine, addressing common issues and performance improvements.
Infiniti QX50 Parts and Accessories Guide
Coming SoonComprehensive guide to genuine parts and accessories compatible with the 2019-Present Infiniti QX50 and its 2.0L Turbo I4 engine.
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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.
- 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.
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