Ford Focus Mk2 Exhaust Oxygen Lambda Sensor Module Unit Cable Plug 6G9N-9G444-AA

Ford Focus Mk2 Exhaust Oxygen Lambda Sensor Module Unit Cable Plug is a component from the Lambda sensors and O2 sensors group, designed for precise exhaust gas composition measurement and integration with the engine control system in Ford vehicles. The integrated module with cable and plug enables efficient connection to the electrical system, which facilitates service and reduces the risk of installation errors. This is a practical solution for users looking for a proven component for diagnostics and stable engine operation.

Specifications and technical data

• SKU: 30651724
• Mark: Ford
• Condition: Used
• OEM Part Number: 30651724
• Substitutable numbers: 30651724, 1367823, 6G9N-9G444-AA, 6G9N9G444AA
• Category: Oxygen Sensors

Application and function in the exhaust system

The presented lambda sensor with module, cable, and plug is responsible for monitoring oxygen content in exhaust gases and transmitting signals to the engine control unit. This allows for real-time fuel mixture correction, maintaining stable idle speed, and reducing fuel consumption. A properly functioning O2 sensor also supports maintaining correct emission parameters, which is important for periodic technical inspections. The modular solution with a ready-to-use harness and connector allows for component replacement without the need to interfere with the factory installation, which is beneficial for both workshops and users servicing the vehicle themselves.

Construction, connector, and system integration

The lambda sensor in this configuration includes the sensing element, a section of cable, and a matched plug, ensuring a consistent, compatible assembly kit. Using a complete cable with a plug minimizes the risk of improper soldering or crimping of wires and reduces susceptibility to signal interference. This type of design promotes stable communication with the engine control system and facilitates the diagnosis of potential faults. Thanks to the factory fit for the Ford installation, the component can be used as a replacement for a worn or damaged sensor, maintaining the correct operating parameters of the exhaust and mixture control system.

Benefits of using the lambda sensor in Ford Focus Mk2

Using this lambda sensor module in the Ford Focus Mk2 allows for restoring proper cooperation between the exhaust gas sensor and the engine controller. Key benefits include:

• more stable engine operation across the full load range,
• better control of the fuel-air mixture composition,
• reduced risk of errors related to the combustion system,
• support for maintaining correct exhaust emission parameters. For the user, this means more predictable vehicle behavior and the possibility of more effective diagnostics in case of engine performance irregularities.

Product characteristics and condition

The offered item comes from the Ford brand and is assigned to the Lambda sensors and O2 sensors category, which facilitates its identification in the context of the exhaust and engine control system. The product is marked as used, which represents an attractive cost alternative to new components while maintaining the functionality necessary for proper vehicle operation. The presence of the OEM part number and interchangeable numbers in the technical specification allows for precise matching to a specific engine version and model year of the Ford Focus Mk2, as well as verification of compatibility with other models that used this type of lambda sensor.

Choosing used electronics and sensors – additional information

When choosing a used O2 sensor, it is worth paying attention to the compatibility of markings, connector type, and cable length to avoid installation problems and signal reading errors. For those who want to learn more about the topic of reusing electronic components in cars, the following guide will be useful: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors? If you are planning a comprehensive repair or upgrade of the exhaust and mixture control area in your Ford and need other elements from the same group, such as additional O2 sensors, pre-catalytic sensors, or post-catalytic sensors, check the available parts in the Ford Lambda sensors and O2 sensors category.