Mitsubishi Mitsubishi Eclipse 1995-1999 Emissions & Sensors Specifications
Detailed specifications and guide for emissions sensors in the 1995-1999 Mitsubishi Eclipse. Learn about sensor types, functions, and compatibility for maintenance, repair, and performance tuning.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in the 1995-1999 Mitsubishi Eclipse. It covers sensor types, functionalities, installation guidelines, and troubleshooting tips. Use this guide to understand the emissions system, perform maintenance, and ensure compliance with environmental regulations. The document is organized into sections for easy navigation and quick reference.
How to Use
Use the search function to locate specific terms or sensor models. Enter keywords like 'O2 sensor' or 'catalytic converter' to find relevant sections quickly.
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Key Specifications
O2 Sensor Voltage Range
0.1-0.9 V
Catalytic Converter Efficiency
≥ 95%
Sensor Operating Temperature
600-800 °F
Sensor Replacement Interval
60,000-100,000 miles
Sensor Thread Size
M18 x 1.5
Available Specifications
Sensor Types and Functions
This section outlines the different types of emissions sensors used in the 1995-1999 Mitsubishi Eclipse, including their roles in monitoring and controlling exhaust emissions. Learn about the primary sensors and their contributions to the vehicle's emissions system.
Sensor Types and Functions
This section outlines the different types of emissions sensors used in the 1995-1999 Mitsubishi Eclipse, including their roles in monitoring and controlling exhaust emissions. Learn about the primary sensors and their contributions to the vehicle's emissions system.
Oxygen (O2) Sensors
- Located in the exhaust system to measure oxygen levels
- Helps optimize the air-fuel ratio for combustion
- Typically one upstream and one downstream sensor
- Critical for reducing harmful emissions
- Signals sent to the Engine Control Unit (ECU)
- Failure can trigger the Check Engine Light (CEL)
Catalytic Converter Sensors
- Monitors the efficiency of the catalytic converter
- Detects excessive emissions or converter failure
- Works in conjunction with O2 sensors
- Essential for meeting emission standards
- Signals sent to the ECU for diagnostics
Installation and Maintenance
This section provides step-by-step instructions for installing and maintaining emissions sensors in the Mitsubishi Eclipse. It includes tips for ensuring proper functionality and longevity of the sensors.
Installation and Maintenance
This section provides step-by-step instructions for installing and maintaining emissions sensors in the Mitsubishi Eclipse. It includes tips for ensuring proper functionality and longevity of the sensors.
Installation Guidelines
- Ensure the vehicle is cool before starting
- Use appropriate tools for sensor removal and installation
- Apply anti-seize compound to sensor threads
- Torque sensors to manufacturer specifications
- Reconnect wiring harness securely
Maintenance Tips
- Regularly inspect sensors for damage or corrosion
- Clean sensor contacts during routine maintenance
- Replace sensors at recommended intervals
- Use OEM or equivalent quality sensors
- Monitor the CEL for sensor-related issues
Troubleshooting and Diagnostics
This section covers common issues with emissions sensors and how to diagnose them. It includes tips for interpreting error codes and resolving sensor-related problems.
Troubleshooting and Diagnostics
This section covers common issues with emissions sensors and how to diagnose them. It includes tips for interpreting error codes and resolving sensor-related problems.
Common Issues
- Faulty O2 sensor causing poor fuel economy
- Catalytic converter sensor detecting high emissions
- Wiring harness damage or disconnection
- Sensor contamination from oil or coolant leaks
- CEL illumination due to sensor failure
Diagnostic Steps
- Use an OBD-II scanner to retrieve error codes
- Inspect sensor wiring for damage or corrosion
- Test sensor voltage and resistance with a multimeter
- Check for exhaust leaks affecting sensor readings
- Replace sensors if diagnostics confirm failure
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Component Specifications
Overview
- Type
- Oxygen Sensor
- Configuration
- Single-wire
- Platform
- OBD-I
- Material
- Zirconia ceramic
- Location
- Exhaust manifold
Dimensions
- Length
- 3.15 inches (80 mm)
- Diameter
- 0.63 inches (16 mm)
- Thread Size
- M18 x 1.5
- Wire Length
- 23.62 inches (600 mm)
- Sensor Tip Length
- 0.79 inches (20 mm)
- Weight
- 0.22 lbs (100 g)
- Operating Temperature
- 392°F to 1472°F (200°C to 800°C)
Materials
- Sensor Body
- Stainless steel
- Sensor Tip
- Zirconia ceramic
- Heater Element
- Platinum
- Wiring Insulation
- High-temperature silicone
Features
- Performance
-
- Fast response time
- Accurate air-fuel ratio measurement
- Wide operating temperature range
- Durability
-
- Corrosion-resistant housing
- High-temperature tolerance
- Shock-resistant ceramic tip
- Compatibility
-
- Direct fit for 1995-1999 Mitsubishi Eclipse
- OBD-I compliant
- Universal wiring harness
- installation
-
- Threaded design for secure mounting
- Pre-gapped sensor tip
- Plug-and-play wiring
- Maintenance
-
- Self-cleaning heater element
- Easy access for replacement
- Diagnostic-ready design
Safety Features
- Electrical
-
- Overheat protection
- Short-circuit prevention
- Mechanical
-
- Vibration resistance
- Impact-resistant housing
- Environmental
-
- Emissions compliance
- Low environmental impact materials
Comfort Features
- installation Ease
-
- No special tools required
- Clear labeling
- Operation
-
- Quiet operation
- Smooth signal output
- Maintenance Ease
-
- Easy diagnostic access
- Minimal cleaning required
Accessories
- installation
-
- Anti-seize compound
- Sensor socket wrench
- Wire loom
- Diagnostics
-
- OBD-I scanner
- Multimeter
- Test light
- Replacement Parts
-
- Replacement gasket
- Backup sensor
- Wiring harness adapter
Maintenance
- Service interval
- Every 60,000 miles
- Service Items
-
- Inspect sensor for contamination
- Check wiring for damage
- Test sensor output
- Clean sensor tip if necessary
- Replace if faulty
- Maintenance Notes
- Avoid using silicone-based sealants near the sensor.
Warranty
- Standard
- Miles: 12,000Years: 1Coverage: Manufacturing defects
- Extended
- Miles: 60,000Years: 3Coverage: Sensor failure
- Pro Rated
- Miles: 100,000Years: 5Coverage: Partial replacement cost
- Warranty Terms
- Proof of purchase and proper installation required.
Production Details
- Manufacturer
- Mitsubishi Electric
- Manufacturing Process
-
- Ceramic sintering
- Precision machining
- Automated assembly
- Quality Control
- Testing: 100% electrical and thermal testingStandards: ISO 9001 compliant
- Sustainability Practices
-
- Recyclable materials
- Low-emission production
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: < 0.1%
Service Information for emissions_sensors Service
Maintenance and service requirements specific to the oxygen sensor
- Inspect sensor wiring
- Check for exhaust leaks
- Test sensor voltage output
- Clean sensor tip if necessary
Use a high-temperature anti-seize compound during reinstallation.
- Test sensor response time
- Inspect ceramic tip for damage
- Check heater circuit resistance
- Replace if performance is degraded
Ensure the engine is cool before removing the sensor.
- Replace sensor as preventive maintenance
- Inspect exhaust system for corrosion
- Test catalytic converter efficiency
- Reset ECU after replacement
Use only OEM or equivalent high-quality replacement sensors.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the compatibility specifications for emissions sensors in 1995-1999 Mitsubishi Eclipse?
What are the compatibility specifications for emissions sensors in 1995-1999 Mitsubishi Eclipse?
The emissions sensors for the 1995-1999 Mitsubishi Eclipse are compatible with both the 2.0L 4G63 and 2.4L 4G64 engines. These sensors are designed to meet OBD-II compliance standards. Ensure the sensor part numbers match the vehicle’s VIN for exact compatibility. Non-OEM sensors may require additional calibration to function correctly with the ECU.
Q2 What maintenance is required for emissions sensors in these vehicles?
What maintenance is required for emissions sensors in these vehicles?
Regular maintenance includes inspecting the sensors every 30,000 miles for signs of wear or contamination. Clean the sensor connectors and ensure they are free of debris. Replace sensors as per the manufacturer’s recommended interval, typically every 60,000-100,000 miles, or if a check engine light indicates failure.
Q3 How do I install or replace emissions sensors in a 1995-1999 Mitsubishi Eclipse?
How do I install or replace emissions sensors in a 1995-1999 Mitsubishi Eclipse?
To replace emissions sensors, first disconnect the negative battery terminal. Locate the sensor, usually near the exhaust manifold or catalytic converter. Unplug the electrical connector and remove the sensor using a wrench. Install the new sensor, ensuring proper torque specifications, and reconnect the electrical connector. Reconnect the battery and clear any error codes using an OBD-II scanner.
Q4 What are common troubleshooting steps for emissions sensor issues?
What are common troubleshooting steps for emissions sensor issues?
Start by scanning the vehicle with an OBD-II tool to identify error codes. Common issues include P0130 (O2 sensor circuit malfunction) or P0420 (catalyst efficiency below threshold). Inspect the sensor wiring for damage or corrosion. Test the sensor’s voltage output using a multimeter. If readings are outside the specified range, replace the sensor.
Q5 How can I optimize the performance of emissions sensors?
How can I optimize the performance of emissions sensors?
Ensure the engine is running at optimal efficiency by maintaining proper air-fuel ratios. Use high-quality fuel and replace air filters regularly. Avoid aftermarket modifications that may alter exhaust flow. Periodically check sensor data using an OBD-II scanner to ensure they are functioning within normal parameters.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1995-1999 Mitsubishi Eclipse Service Manual
Coming SoonComprehensive guide covering diagnostics, maintenance, and repair procedures for the 1995-1999 Mitsubishi Eclipse, including emissions systems.
Technical Service Bulletin: Emissions Sensor Updates
Coming SoonDetails updates and improvements to emissions sensors for 1995-1999 Mitsubishi Eclipse models.
Mitsubishi Eclipse Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts, including emissions sensors, for 1995-1999 Mitsubishi Eclipse models.
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