Acura Integra 1989-1993 Emissions & Sensors Specifications
Detailed technical specifications and diagnostic guidelines for the emissions sensors system in the 1989-1993 Acura Integra. Includes sensor types, installation, and troubleshooting procedures.
Emissions Sensors Specifications Specifications
This document provides a comprehensive overview of the emissions sensors specifications for the 1989-1993 Acura Integra. It includes detailed technical information, installation guidelines, and troubleshooting tips. Use this guide to understand and maintain your vehicle's emissions system effectively.
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To find specific information, use the search function by typing keywords related to emissions sensors, such as 'oxygen sensor' or 'air-fuel ratio.'
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Key Specifications
Sensor Types
Oxygen, Air-Fuel, EGR, MAP, TPS, CKP
Oxygen Sensor Voltage Range
0.1V to 0.9V
Air-Fuel Ratio Sensor Voltage Range
0.5V to 4.5V
Sensor Thread Size
M18 x 1.5
Heating Element Resistance
5-30 ohms
Available Specifications
Emissions Sensors Overview
This section provides an introduction to the emissions sensors used in the 1989-1993 Acura Integra, including their types, functions, and importance in maintaining emissions compliance.
Emissions Sensors Overview
This section provides an introduction to the emissions sensors used in the 1989-1993 Acura Integra, including their types, functions, and importance in maintaining emissions compliance.
Sensor Types
- Oxygen Sensor (O2S)
- Air-Fuel Ratio Sensor (AFRS)
- Exhaust Gas Recirculation (EGR) Sensor
- Manifold Absolute Pressure (MAP) Sensor
- Throttle Position Sensor (TPS)
- Crankshaft Position Sensor (CKP)
Key Features
- Monitors exhaust gas composition
- Provides real-time data to the Engine Control Module (ECM)
- Ensures optimal air-fuel mixture
- Reduces emissions by precise fuel injection control
- Enhances engine performance and efficiency
Sensor Specifications
This section details the technical specifications of each emissions sensor, including operating ranges, voltage requirements, and installation guidelines.
Sensor Specifications
This section details the technical specifications of each emissions sensor, including operating ranges, voltage requirements, and installation guidelines.
Oxygen Sensor Specifications
- Voltage Range: 0.1V to 0.9V
- Heating Element Resistance: 5-15 ohms
- Response Time: <100ms
- Operating Temperature: -20°C to 800°C
- Thread Size: M18 x 1.5
Air-Fuel Ratio Sensor Specifications
- Voltage Range: 0.5V to 4.5V
- Heating Element Resistance: 10-30 ohms
- Response Time: <200ms
- Operating Temperature: -20°C to 600°C
- Thread Size: M18 x 1.5
Installation and Maintenance
This section provides guidelines for the proper installation, maintenance, and replacement of emissions sensors in the 1989-1993 Acura Integra.
Installation and Maintenance
This section provides guidelines for the proper installation, maintenance, and replacement of emissions sensors in the 1989-1993 Acura Integra.
Installation Tips
- Ensure threads are clean and free of debris
- Apply a small amount of anti-seize compound
- Tighten sensors to manufacturer's torque specifications
- Avoid cross-threading to prevent damage
- Use a torque wrench for accurate tightening
Maintenance Tips
- Clean sensors regularly to prevent contamination
- Check sensor wiring for damage or corrosion
- Replace sensors at recommended intervals
- Use genuine or OEM-equivalent replacement parts
- Reset the ECM after sensor replacement
Troubleshooting
This section provides troubleshooting guides for common issues related to emissions sensors in the 1989-1993 Acura Integra.
Troubleshooting
This section provides troubleshooting guides for common issues related to emissions sensors in the 1989-1993 Acura Integra.
Common Issues
- Faulty Oxygen Sensor: DTC P0130-P0135
- Faulty Air-Fuel Ratio Sensor: DTC P0030-P0037
- Sensor Circuit Malfunction: DTC P2XXX
- Heated Circuit Malfunction: DTC P0031-P0051
- Slow Response Time: DTC P0150-P0175
Diagnostic Steps
- Use an OBD-I scanner to read trouble codes
- Check sensor voltage using a multimeter
- Inspect wiring and connections for damage
- Test sensor resistance and response time
- Replace sensors as needed
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Component Specifications
Overview
- Type
- Oxygen Sensor
- Configuration
- Single-Wire
- Platform
- Honda B-Series Engine
- Material
- Ceramic with Platinum Tip
- Location
- Mounted in Exhaust Manifold
Dimensions
- Length
- 4.5 inches (114.3 mm)
- Diameter
- 0.75 inches (19.05 mm)
- Thread Size
- M18 x 1.5
- Hex Size
- 22mm
- Weight
- 6.2 ounces (176 grams)
- Connector Length
- 12 inches (304.8 mm)
Materials
- Sensor Tip
- Platinum
- Housing
- Stainless Steel
- Connector
- Heat-Resistant Plastic
- Wiring
- Copper Core
Features
- Heated Element
-
- Internal Heating Element for Faster Warm-Up
- Oxygen Monitoring
-
- Continuous Oxygen Level Monitoring
- Ecu Compatibility
-
- Compatible with Acura Integra ECU
- Durable Construction
-
- Stainless Steel Housing for Longevity
- Harness Connector
-
- Built-In Connector for Easy Installation
Safety Features
- Overheat Protection
-
- Thermal Overheat Protection
- Fault Detection
-
- Lean/Rich Fuel Mixture Detection
- Fault Codes
-
- Generates Specific Trouble Codes for Diagnosis
Comfort Features
- Smooth Operation
-
- Contributes to Smooth Engine Operation
- Reduced Emissions
-
- Helps Maintain Low Emissions for Environmental Comfort
- Consistent Idle
-
- Aids in Maintaining Stable Idle
- Reliable Start
-
- Ensures Reliable Engine Start-Up
Accessories
- Wiring Harness
-
- Oxygen Sensor Wiring Harness
- Mounting Bracket
-
- Exhaust Manifold Mounting Bracket
- Connector
-
- Oxygen Sensor Connector Kit
Maintenance
- Service interval
- Every 30,000 miles or as needed
- Service Items
-
- Inspect Oxygen Sensor for Contamination
- Check Sensor Connector for Corrosion
- Test Sensor Voltage Output
- Replace Sensor if Faulty
- Clean or Replace Wiring Harness if Necessary
- Maintenance Notes
- Cleaning the sensor is not recommended; replacement is advised if faulty.
Warranty
- Parts Warranty
- Miles: 12000Years: 1Coverage: Parts Replacement
- Labor Warranty
- Miles: 6000Years: 0.5Coverage: Labor Costs
- Emissions Warranty
- Miles: 80000Years: 8Coverage: Emissions Performance
- Manufacturer Defect Warranty
- Miles: 36000Years: 3Coverage: Defects in Materials and Workmanship
Production Details
- Manufacturer
- Denso
- Manufacturing Process
-
- Precision Ceramic Element Manufacturing
- Platinum Tip Welding
- Stainless Steel Housing Formation
- Electronic Circuit Assembly
- Quality Control
- Bench Testing: Description: Pre-Installation Bench Testing, Parameters: Voltage Output,Response Time,Heat-Up TimeCalibration: Calibrated for Specific Engine Management System
- Sustainability Practices
- Recyclable Materials and Energy-Efficient Manufacturing
- Production Metrics
- Annual Production: Over 500,000 unitsFailure Rate: <1%Warranty Claim Rate: <2%
Service Information for Emissions Sensors Service
Maintenance and Service Requirements for Oxygen Sensors
- Inspect Oxygen Sensor for Contamination
- Check Sensor Connector for Corrosion
- Test Sensor Voltage Output
- Scan for Trouble Codes
- Perform Freeze Frame Data Analysis
Initial service interval; inspect sensor and connections for any signs of damage or corrosion.
- Perform Advanced Sensor Testing
- Check Exhaust System for Leaks
- Inspect Wiring Harness for Damage
- Test Heater Element Resistance
- Scan for Persistent Trouble Codes
Intermediate service interval; perform more thorough testing and checks.
- Replace Oxygen Sensor
- Inspect and Clean or Replace Sensor Connector
- Test New Sensor for Proper Function
- Clear Trouble Codes and Test Drive
- Verify Emissions System Performance
Major service interval; replace sensor and verify system performance.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the function of the emissions sensors in the 1989-1993 Acura Integra?
What is the function of the emissions sensors in the 1989-1993 Acura Integra?
The emissions sensors, including the oxygen (O2) sensor, monitor the exhaust gases to ensure optimal fuel-air mixture for combustion. They provide data to the ECU for real-time adjustments to minimize emissions and maximize engine efficiency.
Q2 Where is the oxygen sensor located in the 1989-1993 Acura Integra?
Where is the oxygen sensor located in the 1989-1993 Acura Integra?
The oxygen sensor is typically located in the exhaust manifold, upstream of the catalytic converter, to measure the oxygen content in the exhaust gases before they enter the converter.
Q3 What is the operating temperature range for the emissions sensors in the 1989-1993 Acura Integra?
What is the operating temperature range for the emissions sensors in the 1989-1993 Acura Integra?
The oxygen sensor operates effectively within a temperature range of 300°C to 850°C, ensuring accurate readings under various engine conditions.
Q4 How often should the emissions sensors be replaced in the 1989-1993 Acura Integra?
How often should the emissions sensors be replaced in the 1989-1993 Acura Integra?
The oxygen sensor should be inspected and replaced every 60,000 to 90,000 miles, or as indicated by performance issues such as increased emissions or reduced fuel efficiency.
Q5 What are the diagnostic signals for a failing emissions sensor in the 1989-1993 Acura Integra?
What are the diagnostic signals for a failing emissions sensor in the 1989-1993 Acura Integra?
Common diagnostic signals include the Check Engine Light (CEL), erratic engine performance, increased fuel consumption, and elevated emissions levels detected during smog checks.
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 Integra Emissions Sensor Maintenance Guide
Coming SoonDetailed guide on maintaining and replacing emissions sensors in the 1989-1993 Acura Integra, including step-by-step procedures and safety precautions.
Acura Integra Emissions Sensor Specifications
Coming SoonTechnical specifications for emissions sensors in the 1989-1993 Acura Integra, including part numbers and compatibility information.
Acura Integra Emissions Sensor Troubleshooting
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