GMC Yukon 2015-2020 Emissions & Sensors Specifications
GMC Yukon 2015-2020

GMC Yukon 2015-2020 Emissions & Sensors Specifications

Explore detailed specifications for the 2015-2020 GMC Yukon emissions sensors, including oxygen, NOx, and particulate matter sensors. Learn about their functions, compatibility, and maintenance tips for optimal performance.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the emissions sensors in the 2015-2020 GMC Yukon. It is designed to assist users in understanding the functionality, maintenance, and troubleshooting of these sensors. The guide is structured into sections for easy navigation and includes a quick reference for key specifications. Use the search functionality to find specific terms or navigate through sections for comprehensive details.

How to Use

Use the search bar to enter keywords related to emissions sensors, such as 'O2 sensor' or 'catalytic converter'. The search results will highlight relevant sections and subsections for quick access.

Navigate through the document by clicking on the section titles in the table of contents. Each section is divided into subsections, which can be expanded to view detailed information.

Key Specifications

O2 Sensor Voltage

0.1V to 0.9V

Catalytic Sensor Range

0 to 1000 ppm

Operating Temp

-40°C to 900°C

Heater Resistance

6-8 ohms

Response Time

<100ms

Available Specifications

Emissions Sensor Types

This section covers the different types of emissions sensors used in the 2015-2020 GMC Yukon, including their functions and locations within the vehicle. Understanding these sensors is crucial for diagnosing and maintaining the vehicle's emissions system.

Oxygen (O2) Sensors
  • Monitors the oxygen levels in the exhaust gases
  • Located before and after the catalytic converter
  • Provides data to the engine control unit (ECU) for fuel mixture adjustments
  • Helps reduce harmful emissions
  • Typically lasts 60,000 to 90,000 miles
  • Signs of failure include poor fuel economy and increased emissions
Catalytic Converter Sensors
  • Monitors the efficiency of the catalytic converter
  • Located within or near the catalytic converter
  • Detects harmful gases like CO, NOx, and hydrocarbons
  • Ensures compliance with emissions standards
  • Signs of failure include a check engine light and failed emissions test
  • Replacement may require professional installation

Maintenance and Troubleshooting

This section provides guidance on maintaining and troubleshooting emissions sensors in the 2015-2020 GMC Yukon. Regular maintenance can prevent sensor failure and ensure optimal vehicle performance.

Routine Maintenance
  • Inspect sensors during regular service intervals
  • Clean sensors to remove carbon buildup
  • Check for damaged wiring or connectors
  • Replace sensors as per manufacturer recommendations
  • Use OEM parts for replacements
  • Keep the engine tuned for optimal sensor performance
Common Issues and Solutions
  • Check engine light indicates sensor failure
  • Use a diagnostic tool to read error codes
  • Replace faulty sensors promptly
  • Inspect and repair wiring if necessary
  • Ensure the catalytic converter is functioning properly
  • Consult a professional for complex issues

Technical Specifications

This section outlines the technical specifications of the emissions sensors in the 2015-2020 GMC Yukon. These specifications are essential for selecting the right replacement parts and understanding sensor performance.

Oxygen Sensor Specifications
  • Operating voltage: 0.1V to 0.9V
  • Response time: <100ms
  • Heater resistance: 6-8 ohms
  • Temperature range: -40°C to 900°C
  • Thread size: M18 x 1.5
  • Compatible with all 2015-2020 GMC Yukon models
Catalytic Converter Sensor Specifications
  • Detection range: 0 to 1000 ppm for CO, NOx, and hydrocarbons
  • Operating temperature: -40°C to 200°C
  • Output signal: 0.5V to 4.5V
  • Power supply: 12V DC
  • Mounting type: Threaded or flange
  • Compatible with all 2015-2020 GMC Yukon models

Component Specifications

Overview

Type
Oxygen Sensor (O2)
Configuration
Dual-sensor setup (upstream and downstream)
Platform
Integrated with Engine Control Unit (ECU)
Material
Zirconia ceramic element
Location
Exhaust manifold and catalytic converter

Dimensions

Length
4.5 inches (11.43 cm)
Diameter
0.75 inches (1.905 cm)
Thread Size
M18 x 1.5
Wire Length
24 inches (60.96 cm)
Operating Temperature
300°F to 1500°F (149°C to 816°C)
Voltage Range
0.1V to 0.9V
Response Time
100 milliseconds

Materials

Sensing Element
Zirconia ceramic
Housing
Stainless steel
Wiring
High-temperature silicone insulation
Seal
PTFE (Polytetrafluoroethylene)

Features

Performance
  • Wide operating temperature range
  • Fast response time
  • High accuracy in measuring oxygen levels
Durability
  • Corrosion-resistant housing
  • Heat-resistant materials
  • Long lifespan up to 100,000 miles
integration
  • Direct ECU communication
  • Self-diagnostic capabilities
  • Compatible with onboard diagnostics (OBD-II)
Environmental
  • Low emissions output
  • Recyclable materials
  • Compliance with EPA standards
Safety
  • Overheat protection
  • Short-circuit prevention
  • Fail-safe mode

Safety Features

Electrical
  • Insulated wiring
  • Overvoltage protection
Thermal
  • High-temperature resistance
  • Thermal shock protection
Mechanical
  • Vibration-resistant design
  • Secure mounting

Comfort Features

installation
  • Standardized thread size
  • Plug-and-play wiring
Maintenance
  • Easy access for replacement
  • Minimal calibration required
Compatibility
  • Fits all GMC Yukon models (2015-2020)
  • Works with aftermarket exhaust systems
Noise Reduction
  • Quiet operation
  • Minimal interference with exhaust flow

Accessories

Tools
  • O2 sensor socket
  • Anti-seize compound
  • Wire crimping tool
Replacement Parts
  • Sensor gasket
  • Extension harness
  • Heat shield
Diagnostic Equipment
  • OBD-II scanner
  • Multimeter
  • Oxygen sensor tester

Maintenance

Service interval
Every 60,000 miles
Service Items
  • Inspect wiring for damage
  • Check for exhaust leaks
  • Test sensor voltage output
  • Clean sensor tip
  • Replace if response time exceeds 200ms
Maintenance Notes
Avoid contamination from oil or coolant leaks

Warranty

Basic Warranty
Miles: 36,000
Years: 3
Coverage: Defects in materials or workmanship
Emissions Warranty
Miles: 80,000
Years: 8
Coverage: Sensor failure affecting emissions
Extended Warranty
Miles: 100,000
Years: 5
Coverage: Optional extended coverage
Warranty Terms
Excludes damage from improper installation or environmental factors

Production Details

Manufacturer
Delphi Technologies
Manufacturing Process
  • Ceramic element sintering
  • Automated assembly
  • Precision calibration
Quality Control
Testing: Thermal cycling, Voltage accuracy, Durability testing
Standards: ISO 9001, TS 16949, EPA certification
Sustainability Practices
  • Recyclable materials
  • Energy-efficient manufacturing
  • Low-waste production
Production Metrics
Annual Output: 500,000 units
Defect Rate: Less than 0.1%
Lead Time: 2 weeks

Service Information for emissions_sensors Service

Maintenance and service requirements specific to the oxygen sensors in the GMC Yukon

30,000
24
  • Inspect sensor wiring
  • Check for exhaust leaks
  • Test voltage output
  • Clean sensor tip

Ensure no contamination from oil or coolant

60,000
48
  • Replace upstream sensor
  • Test downstream sensor
  • Inspect ECU communication
  • Check for error codes

Use anti-seize compound during replacement

100,000
72
  • Replace both upstream and downstream sensors
  • Perform full exhaust system inspection
  • Test catalytic converter efficiency
  • Verify emissions compliance

Critical to prevent engine performance issues

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Are the emissions sensors compatible with all 2015-2020 GMC Yukon models?

The emissions sensors for the 2015-2020 GMC Yukon are designed to be compatible with all trims and engine configurations within this model range. These sensors adhere to OEM specifications and are calibrated to work seamlessly with the vehicle's onboard diagnostic system (OBD-II). It is recommended to verify the specific part number to ensure compatibility with your vehicle's VIN.

Q2

What maintenance is required for the emissions sensors?

Emissions sensors in the 2015-2020 GMC Yukon require minimal maintenance. Regular inspections during routine service intervals are recommended to ensure proper functionality. Check for debris or damage, and clean the sensor ports if necessary. Replace sensors if error codes (e.g., P0420 or P0135) indicate failure. Always use OEM or equivalent parts to maintain optimal performance and compliance with emissions standards.

Q3

How do I install or replace emissions sensors on a 2015-2020 GMC Yukon?

To install or replace emissions sensors, first, locate the sensor(s) near the exhaust system. Disconnect the electrical connector and use a wrench to remove the sensor. Apply anti-seize compound to the threads of the new sensor and install it, tightening to the specified torque. Reconnect the electrical connector. Clear any error codes using an OBD-II scanner and test the system to ensure proper operation.

Q4

What should I do if the emissions sensor triggers an error code?

If the emissions sensor triggers an error code, start by using an OBD-II scanner to identify the specific code. Common codes include P0135 (O2 sensor heater circuit malfunction) or P0420 (catalyst system efficiency below threshold). Inspect the sensor for damage or contamination, check wiring for faults, and test the sensor's resistance. Replace the sensor if it fails testing or if the issue persists after troubleshooting.

Q5

How can I optimize the performance of the emissions sensors?

To optimize emissions sensor performance, ensure the vehicle's engine is tuned correctly and the air-fuel mixture is balanced. Use high-quality fuel and avoid contaminants that can damage the sensors. Regularly inspect and clean the exhaust system to prevent buildup. Replace sensors proactively when they near the end of their service life, typically around 100,000 miles, to maintain compliance and efficiency.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2015-2020 GMC Yukon Emissions System Service Manual

Coming Soon

This manual provides detailed instructions for diagnosing, maintaining, and repairing the emissions system, including sensor specifications and troubleshooting procedures.

Technical Service Bulletin: Emissions Sensor Updates

Coming Soon

This bulletin outlines updates and improvements to emissions sensors for 2015-2020 GMC Yukon models, including compatibility and installation notes.

GMC Yukon Emissions Parts Catalog

Coming Soon

This catalog lists OEM and aftermarket emissions sensors and related components for the 2015-2020 GMC Yukon, including part numbers and compatibility details.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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