Industrial 22641-2G042-2002-2005 Oxygen Sensor

Description:

The 2x Upstream & Downstream O2 Oxygen Sensor set for 2002–2005 Mitsubishi Lancer 2.0L is used in engine management systems to monitor exhaust oxygen levels for precise air-fuel ratio control and catalytic converter efficiency evaluation. The upstream sensor provides real-time feedback to the ECU for fuel mixture adjustments, while the downstream sensor verifies catalytic converter performance. Commonly installed in Mitsubishi Lancer 2.0L vehicles where emissions control, fuel economy optimization, and OBD-II diagnostic compliance are required. Automotive technicians and repair specialists use this sensor set for emissions system repair, drivability correction, and replacement of failed oxygen sensors causing check engine light conditions.

Applications:

These oxygen sensors are commonly used in Mitsubishi Lancer 2.0L exhaust systems including fuel injection control systems, catalytic converter monitoring, emissions compliance systems, and engine diagnostics where accurate oxygen measurement is required to maintain proper combustion efficiency, reduce emissions output, and ensure catalytic converter functionality in compact passenger vehicles.

Technical Specifications:

• Manufacturer: OEM / aftermarket automotive sensor
• Model / Part number: Vehicle-specific O2 sensor set (upstream & downstream)
• Product type: Heated zirconia oxygen sensors
• Vehicle compatibility: 2002–2005 Mitsubishi Lancer 2.0L
• Engine code: 4G94 / 4G63 (variant dependent by market)
• Sensor positions: Upstream (Sensor 1 / pre-catalytic converter), Downstream (Sensor 2 / post-catalytic converter)
• Output signal: 0.1–0.9 V switching signal (narrowband type)
• Heater circuit: Integrated 12V heater element for rapid warm-up
• Thread size: M18 x 1.5 standard exhaust bung
• Material: Stainless steel housing with ceramic sensing element
• Function: Air-fuel ratio feedback and catalytic converter efficiency monitoring
• Electrical connector: OEM-style sealed multi-pin connector (application specific)
• Operating environment: High-temperature exhaust gas system

Common Replacements:

• Denso OEM oxygen sensor set for Mitsubishi Lancer 2.0L
• Bosch direct-fit upstream & downstream O2 sensor pair
• NTK / NGK OE replacement oxygen sensor kit for Mitsubishi 4G94/4G63 engines