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80.87 EUR
Bosch 0258017134 - Lambda sensor with vehicle-specific connector
The Bosch 0258017134 is a Lambda sensor with a vehicle-specific connector. It measures the air-fuel mixture in exhaust gases and helps regulate engine performance
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Bosch 0258017134 Lambda Sensor
The Bosch 0258017134 is a high‑performance lambda sensor, also known as an oxygen (O₂) sensor. Designed for use in the exhaust system of modern internal combustion engines, this component plays a crucial role in maintaining optimal fuel efficiency and reducing harmful emissions. Its vehicle‑specific connector ensures seamless integration with a wide range of models, providing precise feedback to the engine control unit (ECU).
Key Functionalities
- Real‑time oxygen measurement: Continuously monitors the ratio of oxygen in exhaust gases, enabling the ECU to adjust the air‑fuel mixture for maximum combustion efficiency.
- Rapid response time: The sensor’s ceramic element reacts quickly to changes in exhaust composition, ensuring that the engine receives accurate data during transient driving conditions.
- High durability: Constructed with robust materials capable of withstanding high temperatures and corrosive exhaust gases for extended service life.
- Vehicle‑specific connector: Tailored to match the wiring harness of specific vehicle models, eliminating the need for adapters or additional modifications.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 0258017134 (also listed as 0 258 017 134 in various catalogs) |
| Sensor Type | High‑temperature ceramic oxygen sensor (LS17134 series) |
| Pole Count | 5 poles – enabling advanced signal processing and diagnostics |
| Operating Temperature Range | -40 °C to +650 °C (typical for exhaust sensors) |
| Connector Type | Vehicle‑specific plug, compatible with a broad range of European models such as the Smart Fortwo II Coupe, Forfour I, and Fortwo II Cabriolet |
| Material Composition | Ceramic core with platinum or palladium coating for oxygen sensing; stainless steel housing for corrosion resistance |
| Signal Output | Voltage signal (0.1 V to 0.9 V) proportional to the oxygen concentration in exhaust gases |
| Installation Location | Pre‑catalyst, typically positioned between the exhaust manifold and the catalytic converter |
Compatibility Overview
The Bosch 0258017134 is engineered to fit a variety of vehicle platforms. Its vehicle‑specific connector eliminates wiring challenges, making it an ideal replacement for original equipment (OE) sensors in:
- Smart Fortwo II Coupe
- Smart Forfour I
- Smart Fortwo II Cabriolet
- Other European compact cars and light commercial vehicles that utilize the LS17134 series architecture.
Installation Guide
- Safety First: Ensure the engine is cool before beginning. Disconnect the battery to prevent electrical shorts.
- Locate the Existing Sensor: The sensor sits just upstream of the catalytic converter. Carefully remove any heat‑shielding or protective covers.
- Disconnect Wiring: Gently detach the vehicle‑specific connector, noting its orientation for proper reassembly.
- Remove Old Sensor: Unscrew the mounting bolts and slide the old sensor out of the exhaust pipe. Dispose of it according to local regulations.
- Install New Sensor: Align the Bosch 0258017134 with the exhaust pipe, secure it with the original or compatible mounting bolts, and tighten to manufacturer specifications.
- Reconnect Wiring: Plug in the vehicle‑specific connector, ensuring a snug fit. Reconnect the battery.
- Test Run: Start the engine and allow it to reach operating temperature. Use an OBD-II scanner to verify that the sensor is reporting correct voltage ranges and that no fault codes are present.
Performance Benefits
- Improved Fuel Economy: By maintaining the optimal air‑fuel ratio, the engine consumes less fuel for the same power output.
- Reduced Emissions: Accurate oxygen sensing ensures that catalytic converters operate efficiently, lowering CO, HC, and NOx emissions.
- Enhanced Engine Longevity: Precise control of combustion reduces engine wear caused by incomplete fuel burn or excess exhaust temperatures.
- Diagnostic Support: The five‑pole design allows for advanced diagnostics, enabling technicians to monitor sensor health and detect early failures.
Maintenance Tips
Although the Bosch 0258017134 is built for durability, regular checks can prolong its life:
- Visual Inspection: Periodically inspect the sensor housing for cracks or corrosion.
- Signal Verification: Use an OBD-II scanner to confirm voltage output remains within expected ranges during idle and acceleration.
- Clean Surroundings: Keep the area around the sensor free from debris that could obstruct exhaust flow.
Conclusion
The Bosch 0258017134 lambda sensor exemplifies precision engineering in automotive emissions control. Its vehicle‑specific connector, robust construction, and advanced five‑pole architecture make it a reliable choice for maintaining engine performance, fuel efficiency, and environmental compliance across a spectrum of modern vehicles.
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| Tags | Sensor with vehicle-specific connector |
| Identifiers | |
| Brand |  Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design. |
| Model | Bosch 0258017134 |
| MPN | Bosch 0893318 |
| ID | 7006008 |
| Dimensions / Weight | |
| Key Features | |
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