Infiniti FX35 2003-2008 Emissions & Sensors Specifications
Explore detailed specifications for the emissions sensors in the 2003-2008 Infiniti FX35. Learn about oxygen sensors, catalytic converters, and their role in maintaining performance and compliance. Ideal for technicians and owners.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in the 2003-2008 Infiniti FX35. It is designed to assist technicians, engineers, and enthusiasts in understanding the functionality, maintenance, and troubleshooting of these sensors. The content is organized into sections, each focusing on a specific aspect of the emissions sensors, including their types, locations, and diagnostic procedures. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search functionality to find specific terms or keywords related to emissions sensors. Enter the term in the search bar and review the results for relevant sections and subsections.
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Key Specifications
Oxygen Sensor Voltage
0.1 - 0.9 V
Catalytic Sensor Response Time
< 0.5 sec
Sensor Operating Temperature
600 - 800 °C
Sensor Lifespan
60,000 - 90,000 miles
Replacement Interval
Every 5 years
Available Specifications
Sensor Types
This section covers the various types of emissions sensors used in the 2003-2008 Infiniti FX35. It includes details on their functions, placement, and how they contribute to the vehicle's emissions control system.
Sensor Types
This section covers the various types of emissions sensors used in the 2003-2008 Infiniti FX35. It includes details on their functions, placement, and how they contribute to the vehicle's emissions control system.
Oxygen Sensors
- Measure the oxygen content in the exhaust gases
- Located before and after the catalytic converter
- Provide data to the engine control unit (ECU)
- Help optimize the air-fuel ratio
- Typically have a lifespan of 60,000-90,000 miles
- Can cause check engine light if faulty
Catalytic Converter Sensors
- Monitor the efficiency of the catalytic converter
- Detect harmful emissions levels
- Located downstream of the catalytic converter
- Send signals to the ECU for adjustments
- Critical for passing emissions tests
- Failure can lead to increased emissions and reduced fuel efficiency
Sensor Locations
This section provides a detailed guide on the locations of emissions sensors in the 2003-2008 Infiniti FX35. Knowing their exact positions is crucial for maintenance and troubleshooting.
Sensor Locations
This section provides a detailed guide on the locations of emissions sensors in the 2003-2008 Infiniti FX35. Knowing their exact positions is crucial for maintenance and troubleshooting.
Front Oxygen Sensors
- Located on the exhaust manifold
- One on each side of the engine
- Accessible from underneath the vehicle
- Require removal of heat shields for replacement
- Connected to the ECU via wiring harness
- Prone to damage from road debris
Rear Oxygen Sensors
- Located after the catalytic converter
- One on each exhaust pipe
- Positioned closer to the rear of the vehicle
- Easier to access than front sensors
- Monitor catalytic converter efficiency
- Less prone to damage compared to front sensors
Diagnostics and Troubleshooting
This section outlines common diagnostic procedures and troubleshooting tips for emissions sensors in the 2003-2008 Infiniti FX35. It includes steps to identify and resolve sensor-related issues.
Diagnostics and Troubleshooting
This section outlines common diagnostic procedures and troubleshooting tips for emissions sensors in the 2003-2008 Infiniti FX35. It includes steps to identify and resolve sensor-related issues.
Check Engine Light
- Use an OBD-II scanner to read error codes
- Common codes include P0130 and P0420
- Check wiring and connections for damage
- Inspect sensors for contamination or wear
- Replace faulty sensors as needed
- Clear codes and test drive to confirm repair
Sensor Testing
- Use a multimeter to test sensor voltage
- Compare readings to manufacturer specifications
- Check for proper signal response
- Inspect for exhaust leaks affecting sensor readings
- Replace sensors if readings are out of range
- Verify repair with a post-test drive scan
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Component Specifications
Overview
- Type
- Oxygen Sensor
- Configuration
- Dual-bank, upstream and downstream
- Platform
- Nissan FM platform
- Material
- Zirconia ceramic sensing element
- Location
- Exhaust manifold and catalytic converter
Dimensions
- Length
- 2.5 inches (6.35 cm)
- Diameter
- 0.75 inches (1.905 cm)
- Thread Size
- M18 x 1.5
- Wire Length
- 24 inches (61 cm)
- Operating Temperature
- -40 to 900°F (-40 to 482°C)
- Weight
- 0.25 lbs (0.113 kg)
- Voltage Range
- 0.1 to 0.9 volts
Materials
- Sensing Element
- Zirconia ceramic
- Housing
- Stainless steel
- Wiring
- High-temperature silicone
- Connector
- Thermoplastic
Features
- Performance
-
- Fast response time
- High accuracy
- Wide operating temperature range
- Durability
-
- Corrosion-resistant housing
- Long lifespan
- Shock and vibration resistant
- Compatibility
-
- Direct OE fit
- Compatible with Infiniti FX35 2003-2008
- Integrated heater for cold starts
- Diagnostics
-
- Real-time data output
- Error code compatibility
- Self-diagnostic capability
- Efficiency
-
- Low power consumption
- Optimized for fuel efficiency
- Reduces emissions
Safety Features
- Thermal Protection
-
- Heat-resistant materials
- Overheat shutdown
- Electrical Safety
-
- Insulated wiring
- Short-circuit protection
- installation
-
- Thread lock sealant
- Torque specifications
Comfort Features
- Ease Of installation
-
- Plug-and-play design
- Clear wiring harness
- Noise Reduction
-
- Quiet operation
- Vibration dampening
- Maintenance
-
- Easy access for replacement
- No special tools required
Accessories
- Mounting
-
- Thread sealant
- Anti-seize compound
- Socket wrench adapter
- Wiring
-
- Extension harness
- Heat shrink tubing
- Electrical tape
- Diagnostics
-
- OBD-II scanner
- Multimeter
- Voltage tester
Maintenance
- Service interval
- Every 60,000 miles or 5 years
- Service Items
-
- Inspect sensor for damage
- Check wiring integrity
- Clean connector terminals
- Test sensor output voltage
- Replace if faulty
- Maintenance Notes
- Ensure proper torque during installation to avoid leaks.
Warranty
- Basic
- Miles: 12,000Years: 1Coverage: Defects in materials and workmanship
- Extended
- Miles: 60,000Years: 5Coverage: Sensor failure
- Labor
- Miles: 12,000Years: 1Coverage: Installation costs
- Emissions
- Miles: 80,000Years: 8Coverage: Compliance with emissions standards
Production Details
- Manufacturer
- NGK/NTK
- Manufacturing Process
-
- Ceramic sintering
- Precision machining
- Automated assembly
- Quality Control
- Testing: Voltage output test, Thermal cycling test, Durability testCertifications: ISO 9001, OEM standards
- Sustainability Practices
-
- Recycling of materials
- Energy-efficient production
- Reduced emissions
- Production Metrics
-
- 10,000 units per month
- 99% defect-free rate
- 30% recycled materials
Service Information for emissions_sensors Service
Maintenance and service requirements specific to emissions sensors
- Inspect sensor wiring
- Check for error codes
- Test sensor voltage output
- Clean sensor connector
Ensure proper connection and no corrosion.
- Replace sensor if faulty
- Verify emissions performance
- Inspect exhaust system
- Test heater circuit
Use OEM or equivalent replacement parts.
- Replace both upstream and downstream sensors
- Conduct full emissions test
- Inspect catalytic converter
- Verify system calibration
Critical for maintaining emissions compliance.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the emissions sensors for the 2003-2008 Infiniti FX35 compatible with other models?
Are the emissions sensors for the 2003-2008 Infiniti FX35 compatible with other models?
The emissions sensors for the 2003-2008 Infiniti FX35 are specifically designed for this model and may not be compatible with other vehicles. These sensors are calibrated to meet the unique emissions requirements of the FX35's V6 engine. Always verify compatibility using the vehicle's VIN or consult the manufacturer's specifications before purchasing or installing sensors for other models.
Q2 What maintenance is required for the emissions sensors in the Infiniti FX35?
What maintenance is required for the emissions sensors in the Infiniti FX35?
Emissions sensors in the Infiniti FX35 require minimal maintenance but should be inspected during routine service intervals. Check for signs of wear, corrosion, or damage every 30,000 miles. Ensure the sensors are clean and free of debris. If the Check Engine Light illuminates, have the sensors tested for proper functionality. Regular engine tune-ups and using high-quality fuel can also prolong sensor life.
Q3 How do I replace the emissions sensors in my Infiniti FX35?
How do I replace the emissions sensors in my Infiniti FX35?
To replace emissions sensors in your Infiniti FX35, first, locate the sensors near the exhaust manifold and catalytic converter. Disconnect the electrical connector and use an oxygen sensor socket to remove the old sensor. Apply anti-seize compound to the threads of the new sensor and install it, tightening to the manufacturer's torque specification. Reconnect the electrical connector and clear any error codes using an OBD-II scanner.
Q4 What should I do if my emissions sensor fails?
What should I do if my emissions sensor fails?
If your emissions sensor fails, first check for error codes using an OBD-II scanner. Common issues include faulty wiring, contamination, or sensor degradation. Inspect the sensor and its connections for damage or corrosion. If the sensor is faulty, replace it with a compatible part. Ensure the engine is running efficiently, as poor combustion can also trigger sensor errors.
Q5 How can I optimize the performance of my Infiniti FX35's emissions sensors?
How can I optimize the performance of my Infiniti FX35's emissions sensors?
To optimize emissions sensor performance, ensure your engine is well-maintained with regular oil changes, air filter replacements, and spark plug inspections. Use high-quality fuel to reduce carbon buildup. Avoid short trips, as the sensors need time to reach optimal operating temperature. Periodically clean the sensors and check for error codes to address issues before they affect performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Infiniti FX35 Service Manual (2003-2008)
Coming SoonComprehensive service manual covering maintenance, repairs, and technical specifications for the 2003-2008 Infiniti FX35, including emissions system details.
Infiniti Technical Service Bulletin: Emissions Sensor Updates
Coming SoonTechnical bulletin outlining updates and common issues related to emissions sensors in the 2003-2008 Infiniti FX35.
Infiniti FX35 Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts, including emissions sensors, for the 2003-2008 Infiniti FX35.
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