Buick Regal 2011-2017 Emissions & Sensors Specifications
Discover detailed specifications for the emissions sensors in the 2011-2017 Buick Regal, including oxygen sensors, NOx sensors, and catalytic converter sensors. Ideal for diagnostics, repairs, and maintenance.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors in the 2011-2017 Buick Regal. It is designed to assist technicians, engineers, and enthusiasts in understanding the components, functionality, and maintenance of the emissions system. The guide is structured into major sections, each focusing on a specific aspect of the emissions sensors. Use the search and navigation instructions to quickly locate relevant information.
How to Use
To search for specific terms, use the search bar at the top of the page. Enter keywords related to the emissions sensors, such as 'O2 sensor' or 'catalytic converter,' to find relevant sections and details.
Use the table of contents to navigate through the document. Each major section is labeled and includes subsections for detailed information. Click on a section title to jump directly to that part of the document.
Key Specifications
O2 Sensor Voltage Range
0.1-0.9 V
Catalytic Converter Temp Range
400-800 °C
Purge Valve Sensor Resistance
10-20 Ω
Fuel Tank Pressure Range
-5 to +5 kPa
Sensor Replacement Interval
100,000 miles
Available Specifications
Oxygen Sensors
Oxygen sensors, also known as O2 sensors, play a critical role in monitoring the oxygen levels in the exhaust gases. This section covers the types, locations, and functions of the O2 sensors in the 2011-2017 Buick Regal.
Oxygen Sensors
Oxygen sensors, also known as O2 sensors, play a critical role in monitoring the oxygen levels in the exhaust gases. This section covers the types, locations, and functions of the O2 sensors in the 2011-2017 Buick Regal.
Sensor Types
- Upstream O2 sensors located before the catalytic converter
- Downstream O2 sensors located after the catalytic converter
- Wideband sensors for precise air-fuel ratio measurement
- Heated sensors for faster warm-up times
Sensor Locations
- Two sensors on the exhaust manifold
- One sensor on the catalytic converter
- Additional sensors on the rear exhaust pipe
- Accessible from under the vehicle
Catalytic Converter Sensors
The catalytic converter sensors help ensure the efficient operation of the converter by monitoring its performance. This section explains the role and specifications of these sensors.
Catalytic Converter Sensors
The catalytic converter sensors help ensure the efficient operation of the converter by monitoring its performance. This section explains the role and specifications of these sensors.
Functionality
- Monitor exhaust gas temperature
- Measure catalyst efficiency
- Provide data to the Engine Control Unit (ECU)
- Trigger warning lights if inefficiencies are detected
Maintenance
- Inspect for physical damage
- Check for proper electrical connections
- Replace sensors every 100,000 miles or as needed
- Use OEM parts for optimal performance
Evaporative Emissions System Sensors
The evaporative emissions system prevents fuel vapors from escaping into the atmosphere. This section details the sensors involved in this system and their functions.
Evaporative Emissions System Sensors
The evaporative emissions system prevents fuel vapors from escaping into the atmosphere. This section details the sensors involved in this system and their functions.
Purge Valve Sensor
- Monitors the flow of fuel vapors
- Ensures proper operation of the purge valve
- Detects leaks in the system
- Connected to the ECU for real-time monitoring
Fuel Tank Pressure Sensor
- Measures pressure inside the fuel tank
- Detects overpressure or vacuum conditions
- Helps identify leaks in the fuel system
- Provides data for emissions compliance
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Component Specifications
Overview
- Type
- Oxygen Sensor
- Configuration
- Upstream and Downstream
- Platform
- OBD-II Compliant
- Material
- Ceramic and Stainless Steel
- Location
- Exhaust System
Dimensions
- Length
- 2.5 inches (63.5 mm)
- Diameter
- 0.75 inches (19.05 mm)
- Thread Size
- M18 x 1.5
- Wire Length
- 12 inches (304.8 mm)
- Weight
- 0.2 lbs (90.7 g)
- Operating Temperature
- -40°F to 1500°F (-40°C to 815°C)
- Voltage Range
- 0.1V to 1.0V
Materials
- Sensor Element
- Zirconium Dioxide Ceramic
- Housing
- Stainless Steel
- Gasket
- Copper
- Wiring
- High-Temperature Insulated Copper
Features
- Performance
-
- Wideband Oxygen Sensing
- Fast Response Time
- High Accuracy
- Low Drift
- Durability
-
- Corrosion-Resistant Housing
- Thermal Shock Resistance
- Extended Lifespan
- integration
-
- OBD-II Compatibility
- Plug-and-Play Installation
- Universal Fit Design
- Environmental
-
- Low Emissions
- Recyclable Materials
- Energy-Efficient Operation
Safety Features
- Electrical
-
- Short-Circuit Protection
- Overvoltage Protection
- Thermal
-
- High-Temperature Shutdown
- Heat Dissipation Design
Comfort Features
- Ease Of installation
-
- Standard Thread Size
- Pre-Assembled Wiring Harness
- Maintenance
-
- Self-Diagnostic Capability
- Easy Access Location
Accessories
- installation
-
- Thread Sealant
- Sensor Socket
- Wire Connector
- Replacement
-
- Gasket Kit
- Wiring Harness
- Mounting Bracket
- Tools
-
- OBD-II Scanner
- Torque Wrench
- Wire Strippers
Maintenance
- Service interval
- Every 60,000 miles
- Service Items
-
- Inspect Sensor Wiring
- Check for Contamination
- Test Sensor Voltage
- Replace if Necessary
- Maintenance Notes
- Avoid using silicone-based sealants to prevent sensor damage.
Warranty
- Standard
- Miles: 50,000Years: 5Coverage: Defects in Materials and Workmanship
- Extended
- Miles: 100,000Years: 10Coverage: Sensor Functionality
- Corrosion
- Miles: UnlimitedYears: 10Coverage: Housing Corrosion
- Warranty Terms
- Proof of regular maintenance required for claims.
Production Details
- Manufacturer
- Delphi Technologies
- Manufacturing Process
-
- Ceramic Element Sintering
- Precision Machining
- Automated Assembly
- Quality Control
- Testing: Voltage Calibration, Leak Testing, Thermal CyclingCertifications: ISO 9001, OBD-II Compliance
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Production
- Reduced Waste
- Production Metrics
- Annual Output: 1,000,000 unitsDefect Rate: 0.1%
Service Information for emissions_sensors Service
Maintenance and service requirements specific to this component
- Inspect Sensor Wiring
- Check for Contamination
- Test Sensor Voltage
- Verify OBD-II Readings
Ensure engine is at operating temperature during testing.
- Replace Sensor if Necessary
- Clean Sensor Mounting Area
- Inspect Exhaust System for Leaks
- Perform Full OBD-II Scan
Use torque wrench for proper sensor installation.
- Replace Sensor
- Inspect Wiring Harness
- Check for Exhaust System Corrosion
- Perform Emissions Test
Ensure replacement sensor meets OEM specifications.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the emissions sensors in the 2011-2017 Buick Regal?
What are the technical specifications of the emissions sensors in the 2011-2017 Buick Regal?
The emissions sensors in the 2011-2017 Buick Regal include oxygen sensors, coolant temperature sensors, and crankshaft position sensors. These sensors are designed to work with the 2.0L or 2.4L Ecotec engines. The oxygen sensors are heated, three-wire units with a maximum operating temperature of 600°C. The coolant temperature sensor operates within a range of -40°C to 125°C, while the crankshaft position sensor has a maximum RPM capability of 8,000. Compatibility is ensured with GM-specific connectors and calibrations.
Q2 What are the maintenance requirements for the emissions sensors?
What are the maintenance requirements for the emissions sensors?
Emissions sensors should be inspected every 30,000 miles or as part of routine maintenance. Oxygen sensors should be cleaned or replaced if fouled, while the coolant temperature sensor should be checked for corrosion or damage. The crankshaft position sensor should be inspected for proper alignment and connection. Replace any faulty sensors promptly to avoid emissions issues or engine performance problems.
Q3 How do I install or replace an emissions sensor in the 2011-2017 Buick Regal?
How do I install or replace an emissions sensor in the 2011-2017 Buick Regal?
To replace an emissions sensor, start by disconnecting the battery. Locate the sensor (e.g., oxygen sensor near the exhaust manifold, coolant temperature sensor on the engine block, or crankshaft position sensor near the crankshaft pulley). Use a wrench to remove the sensor, taking care not to damage surrounding components. Install the new sensor by reversing the steps, ensuring proper seating and connection. Reconnect the battery and clear any trouble codes using a scan tool.
Q4 How do I troubleshoot common issues with the emissions sensors?
How do I troubleshoot common issues with the emissions sensors?
Check for trouble codes using an OBD-II scan tool. Common codes include P0130 (oxygen sensor circuit low) or P0171 (system too lean). Inspect sensor connectors for corrosion or damage. Test oxygen sensor voltage (should be 0.1V-0.9V). Check coolant temperature sensor resistance (should be around 2.3kΩ at 20°C). Ensure proper crankshaft position sensor alignment and test its output signal with a multimeter.
Q5 How can I optimize the performance of my emissions sensors?
How can I optimize the performance of my emissions sensors?
Ensure proper engine tuning and fuel injector cleaning to avoid fouling oxygen sensors. Use high-quality fuel to prevent contamination. Regularly inspect and maintain the exhaust system to prevent backpressure issues. Avoid using aftermarket sensors not certified for your vehicle. Follow GM-recommended replacement intervals for emissions sensors to maintain optimal performance and emissions compliance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2011-2017 Buick Regal Service Manual
Coming SoonComprehensive guide covering diagnostics, maintenance, and repair procedures for emissions sensors and related systems.
Emissions Sensor Technical Bulletin
Coming SoonUpdates and technical bulletins for emissions sensor calibration, troubleshooting, and replacement procedures.
Buick Regal Emissions Parts Catalog
Coming SoonDetailed listing of emissions-related parts, including sensors, connectors, and harnesses.
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