Acura CL 1997-1999 Emissions & Sensors Specifications
Comprehensive technical specifications and diagnostic information for the emissions sensors system in the 1997-1999 Acura CL. Includes oxygen sensors, catalytic converter sensors, and emissions control system details.
Emissions Sensors Specifications Overview Specifications
This document provides detailed specifications and technical information for the emissions sensors of the 1997-1999 Acura CL. It is designed to assist technicians, mechanics, and enthusiasts in understanding, diagnosing, and maintaining the emissions control systems. The document is organized into sections for easy navigation, with key specifications summarized for quick reference.
How to Use
To find specific information, use the search functionality by typing keywords such as 'sensor type' or 'operating range'. Results will highlight relevant sections.
Navigate through the document using the section titles and subsections. Use the quick reference guide for key specifications and the detailed sections for in-depth technical information.
Key Specifications
HEGO Sensor Voltage
0.1V to 0.9V
MAP Sensor Pressure Range
0 to 250 kPa
MAF Sensor Airflow Range
0 to 120 g/s
ECT Sensor Resistance
5 ohms at 20°C
IAT Sensor Operating Voltage
5V DC
Available Specifications
Emissions Sensors Overview
This section provides an introduction to the emissions sensors used in the 1997-1999 Acura CL, including their types and functions within the emissions control system.
Emissions Sensors Overview
This section provides an introduction to the emissions sensors used in the 1997-1999 Acura CL, including their types and functions within the emissions control system.
Sensor Types and Functions
- Heated Exhaust Gas Oxygen (HEGO) sensor
- Manifold Absolute Pressure (MAP) sensor
- Mass Airflow (MAF) sensor
- Engine Coolant Temperature (ECT) sensor
- Intake Air Temperature (IAT) sensor
Sensor Locations
- Oxygen sensor located in the exhaust manifold
- MAP sensor mounted on the intake manifold
- MAF sensor integrated into the air intake duct
- ECT sensor located near the engine thermostat housing
- IAT sensor located in the air filter housing
Technical Specifications
This section provides detailed technical specifications for each emissions sensor, including operating ranges, voltage requirements, and connector information.
Technical Specifications
This section provides detailed technical specifications for each emissions sensor, including operating ranges, voltage requirements, and connector information.
HEGO Sensor Specifications
- Operating voltage: 0.1V to 0.9V
- Response time: <100ms
- Resistance: 5 ohms at 20°C
- Heater resistance: 3.5 ohms at 20°C
MAP Sensor Specifications
- Operating voltage: 5V DC
- Pressure range: 0 to 250 kPa
- Output voltage: 0.5V to 4.5V
- Connector type: 3-pin
MAF Sensor Specifications
- Operating voltage: 12V DC
- Frequency output: 1000Hz to 4000Hz
- Airflow range: 0 to 120 g/s
- Connector type: 5-pin
Troubleshooting and Replacement
This section provides guidance on diagnosing and replacing faulty emissions sensors, including common fault codes and repair procedures.
Troubleshooting and Replacement
This section provides guidance on diagnosing and replacing faulty emissions sensors, including common fault codes and repair procedures.
Common Fault Codes
- P0130: O2 sensor circuit fault
- P0105: MAP sensor circuit fault
- P0102: MAF sensor circuit fault
- P0113: IAT sensor circuit fault
- P0115: ECT sensor circuit fault
Replacement Procedures
- Disconnect battery before starting repairs
- Use torque wrench for sensor mounting bolts
- Apply dielectric grease to electrical connectors
- Clear fault codes after replacement
- Perform test drive to verify repair
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
- Heated Exhaust Gas Oxygen (HEGO) Sensor
- Configuration
- Mounted in exhaust system
- Platform
- SA series engine (Acura CL 1997-1999)
- Material
- Ceramic with platinum tips
- Location
- Before catalytic converter
Dimensions
- Sensor Length
- 5.5 inches (14 cm)
- Sensor Diameter
- 0.75 inches (1.9 cm)
- Thread Length
- 1.25 inches (3.2 cm)
- Thread Diameter
- 0.5 inches (1.3 cm)
- Lead Wire Length
- 12 inches (30.5 cm)
- Connector Size
- 0.187 inch terminal
- Overall Weight
- 6.2 ounces (175 grams)
Materials
- Sensing Element
- Ceramic with platinum electrodes
- Housing
- Stainless steel
- Lead Wires
- Copper with high-temperature insulation
- Connector
- Durable plastic with brass terminals
Features
- Accuracy
-
- Precise oxygen level detection
- Fast response time for engine control
- Wide operating temperature range
- Compatibility
-
- Works with Acura CL 2.2L and 3.0L engines
- Compatible with OBD-I systems
- Adaptable to varying exhaust conditions
- Durability
-
- Resistant to exhaust gases and heat
- Protected against lead and sulfur contamination
- Long service life under normal conditions
- Electrical Specs
-
- Operating voltage: 0.1V to 0.9V
- Current draw: <10mA
- Heated element resistance: 5-15 ohms
- Sensor Technology
-
- Heated element for faster light-off
- Closed-loop control capability
- Self-cleaning properties
Safety Features
- Fault Detection
-
- Internal fault monitoring
- Open/short circuit detection
- Heater circuit monitoring
- Overheat Protection
- Thermal cutoff if temperature exceeds 1200°F (649°C)
- Emissions Compliance
- Meets EPA and CARB standards for emissions control
Comfort Features
- Smooth Operation
-
- Maintains optimal engine performance
- Reduces engine hesitation or stumble
- Ensures smooth idle and acceleration
- Fuel Efficiency
-
- Helps maintain proper air/fuel mixture
- Prevents excessive fuel consumption
- Minimizes cold start emissions
- Quiet Operation
-
- No audible noise during operation
- Reduces exhaust system vibration
Accessories
- installation Hardware
-
- Washer and gasket
- Mounting bracket
- Anti-seize compound
- Wiring Harness
-
- Shielded wiring for EMI protection
- Quick-connect terminals
- Heat-resistant insulation
- Mounting Brackets
-
- Stainless steel clamp
- Adjustable bracket for secure fit
- Rubber isolator for vibration damping
Maintenance
- Service interval
- Every 30,000 miles or 36 months
- Items
-
- Inspect sensor for contamination
- Clean sensor if necessary
- Check wiring and connections
- Replace sensor if faulty
- Notes
- Avoid using silicone-based cleaners or lubricants
- Major Service interval
- Every 90,000 miles or 90 months
- Major Items
-
- Replace sensor if showing signs of aging
- Inspect and clean or replace wiring harness
- Check catalytic converter operation
- Perform full emissions system test
Warranty
- Limited Parts Warranty
- Miles: 60,000Years: 5Coverage: Replacement if defective
- Extended Warranty
- Miles: 100,000Years: 8Coverage: Pro-rated replacement
- Powertrain Warranty
- Miles: 70,000Years: 7Coverage: Replacement if defective
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Repair or replacement
Production Details
- Manufacturer
- Honda Motor Co., Ltd.
- Manufacturing Process
-
- Precision ceramic element fabrication
- Automated welding of platinum electrodes
- High-temperature brazing of components
- Robotic assembly and testing
- Quality Control
- inspection: 100% bench testingCertification: ISO 9001:2015 compliantTesting Parameters: Voltage output, Response time, Leakage current, Thermal stability
- Sustainability Practices
-
- Recyclable materials used
- Low VOC coatings
- Energy-efficient manufacturing
- Production Metrics
- Annual Production: 500,000 unitsFailure Rate: <1%Warranty Claims: Low
Service Information for Emissions Sensors Service
Maintenance and service requirements specific to emissions sensors
- Inspect oxygen sensor for contamination
- Check sensor wiring and connections
- Perform emissions system test
- Clean sensor if necessary
Avoid using harsh chemicals or abrasive cleaners
- Inspect catalytic converter operation
- Check for exhaust leaks
- Test sensor response time
- Replace sensor if showing signs of wear
Use specialized tools for testing sensor response
- Replace oxygen sensor
- Inspect and clean wiring harness
- Check emissions system performance
- Perform full system calibration
Recommended to use OEM replacement parts
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the function of the oxygen sensor in the 1997-1999 Acura CL?
What is the function of the oxygen sensor in the 1997-1999 Acura CL?
The oxygen sensor, also known as the O2 sensor, monitors the oxygen content in the exhaust gases. It provides real-time feedback to the engine control unit (ECU) to adjust the air-fuel mixture for optimal combustion, ensuring compliance with emissions standards. The sensor operates at a voltage range of 0.1V (lean mixture) to 0.9V (rich mixture).
Q2 How often should the emissions sensors be replaced in a 1997-1999 Acura CL?
How often should the emissions sensors be replaced in a 1997-1999 Acura CL?
The oxygen sensors typically have a service life of 60,000 to 90,000 miles. However, this can vary based on driving conditions and fuel quality. A faulty sensor may trigger the Check Engine Light (CEL) and cause poor fuel economy or increased emissions. Always refer to the vehicle's service manual for specific recommendations.
Q3 What are the symptoms of a failing oxygen sensor in the 1997-1999 Acura CL?
What are the symptoms of a failing oxygen sensor in the 1997-1999 Acura CL?
Common symptoms include a persistent Check Engine Light (CEL), reduced fuel efficiency, rough idling, poor engine performance, and increased emissions. Diagnostic trouble codes (DTCs) such as P0130 (O2 Sensor Circuit Malfunction) or P0135 (O2 Sensor Heater Circuit Malfunction) may also indicate sensor failure.
Q4 Can I replace the oxygen sensor myself on a 1997-1999 Acura CL?
Can I replace the oxygen sensor myself on a 1997-1999 Acura CL?
Yes, with the proper tools and technical knowledge, you can replace the oxygen sensor. Ensure the engine is cool, disconnect the battery, and use an O2 sensor socket for removal. Always use a genuine or OEM-equivalent sensor to maintain performance and emissions compliance. Improper installation can lead to further issues.
Q5 What is the difference between upstream and downstream oxygen sensors in the 1997-1999 Acura CL?
What is the difference between upstream and downstream oxygen sensors in the 1997-1999 Acura CL?
The upstream oxygen sensor (before the catalytic converter) monitors the air-fuel ratio for engine performance, while the downstream sensor (after the catalytic converter) checks the converter's efficiency. Both sensors are critical for emissions control and optimal engine operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Acura CL Emissions System Overview
Coming SoonA detailed guide to the emissions control system in the 1997-1999 Acura CL, including sensor locations and functions.
Oxygen Sensor Replacement Guide
Coming SoonStep-by-step instructions for replacing the oxygen sensor in the 1997-1999 Acura CL, including tools required and safety precautions.
Diagnosing Emissions Sensor Faults
Coming SoonLearn how to diagnose and troubleshoot common emissions sensor issues in the 1997-1999 Acura CL using diagnostic tools and error codes.
Acura CL Service Manual
Coming SoonThe official service manual for the 1997-1999 Acura CL, providing comprehensive technical information on emissions systems and sensor specifications.
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.