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This Bosch O2 Lambda Oxygen Sensor (0 281 004 129) is designed for automotive applications, specifically for placement before the catalytic converter. It offers reliable performance for regulating exhaust gas emissions, a key benefit for maintaining vehicle efficiency and reducing pollution. A potential caveat is the need for careful verification of vehicle fitment before purchase. This regulating oxygen sensor features a 530 mm length and 5 circuits, engineered to OEM standards for durability and long-lasting operation, leveraging Bosch's global reputation for automotive quality.
| Model Part Number | 0 281 004 129 |
|---|---|
| Brand | Bosch |
This sensor measures the oxygen content in the exhaust gas before the catalytic converter, providing data to the engine control unit (ECU) to optimize the fuel-air mixture for efficient combustion and emissions control.
It is designed for placement before the catalytic converter in the exhaust system.
A regulating oxygen sensor actively monitors and reports oxygen levels, allowing the ECU to make real-time adjustments to the air-fuel ratio.
Common signs include the 'Check Engine' light, decreased fuel efficiency, rough engine idling, and a failed emissions test. A diagnostic scan can confirm O2 sensor faults.
The total length of this sensor is 530 mm.
While possible for experienced DIYers, installation often requires specialized tools (like an O2 sensor socket) and knowledge of the exhaust system. If unsure, professional installation is recommended.
This is Bosch's specific manufacturer part number for this particular O2 Lambda Oxygen Sensor model.
Ensure the sensor is correctly installed and the electrical connector is securely fastened. There may be another underlying issue with the exhaust system or engine management system. Re-verify compatibility and consider clearing the diagnostic trouble codes (DTCs) with an OBD-II scanner.
Confirm the correct sensor model was installed and is compatible with your vehicle. Check for exhaust leaks upstream of the sensor. The issue might stem from other engine components, such as mass airflow sensors or ignition systems.
This could indicate a faulty sensor or damage during installation. Ensure the sensor was not dropped or subjected to excessive force. If the issue persists, the sensor may need to be replaced.
Setup:
Installation of the Bosch O2 Lambda Oxygen Sensor should be performed by a qualified technician. The sensor typically screws into the exhaust system upstream of the catalytic converter. Ensure the exhaust system is cool before attempting removal or installation. It is often recommended to use a specialized O2 sensor socket wrench for removal and installation. Always ensure the electrical connector is securely attached.
Compatibility:
Before purchasing, it is crucial to verify fitment for your specific vehicle. Cross-reference the part number `0 281 004 129` with your vehicle's original part number or consult a compatibility guide. The sensor is listed as compatible with OEM references such as ACDelco `55564978`, NGK `91299`, CHEVROLET `55564978`, GMC `55564978`, OPEL `55564978`, and VAUXHALL `55564978`. It is also known as LS `44129` and LSU-4.9. It is suitable for passenger/LCV vehicles, including the OPEL ASTRA J (P10) 1.3 CDTI (Diesel, 2009-2015).
Care:
Oxygen sensors are sensitive components. Avoid spraying cleaning agents directly onto the sensor. If the sensor requires cleaning during installation (e.g., if threads have residue), use a clean, lint-free cloth. Protect the sensor's electrical connector from moisture and contamination. Regular vehicle maintenance, including checking for exhaust leaks, helps prolong the sensor's life.
