Lambda Sensor - Bosch - 0258006571
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Product Information
Full details
This Bosch Lambda Sensor (0258006571) is an essential oxygen sensor for vehicles requiring precise exhaust gas monitoring after the catalytic converter, specifically on the left side. Its key benefit is ensuring optimal engine performance and emissions control. A potential caveat is its specific placement requirement, necessitating professional installation for accurate readings. Key features include a robust 4-circuit design and a substantial 628 mm overall length for versatile application.
All features
| Model Part Number | 0258006571 |
|---|---|
| Brand | Bosch |
Extended Product Information
FAQs
What is a Lambda Sensor?
A Lambda Sensor, also known as an oxygen sensor, measures the amount of unburned oxygen in the exhaust gas. This information is used by the vehicle's computer to adjust the fuel injection and optimize the air-fuel ratio for better performance and lower emissions.
Where is this specific sensor (0258006571) located?
This sensor is designed for placement after the catalytic converter on the *left side* of the vehicle's exhaust system.
What vehicles is the Bosch 0258006571 compatible with?
It is compatible with specific Ford models like the Ford C-MAX Mk2 1.6 (04/2007-09/2010) and Ford Grand C-MAX 1.6 (2010-2015), and matches several Ford OEM part numbers.
What is the recommended replacement interval?
The recommended replacement interval for this sensor is 250,000 km, indicating a long service life under normal operating conditions.
Can I install this sensor myself?
While technically possible, installation often requires specialized tools and knowledge of exhaust systems. Professional installation by a qualified mechanic is recommended to ensure proper fitment and avoid damage.
What are the benefits of replacing an old Lambda Sensor?
Replacing an old or faulty sensor can significantly improve fuel efficiency, reduce harmful emissions, restore smooth engine operation, and help the vehicle pass emissions tests.
What do the 4 circuits refer to?
The 4 circuits typically refer to the heating element (which warms the sensor for faster response) and the oxygen sensing element itself, often with redundant connections for reliability and signal integrity.
Troubleshooting
Check Engine Light illuminated
A check engine light often indicates a faulty lambda sensor. Scan the vehicle's OBD-II codes for specific error messages related to the oxygen sensor circuit (e.g., P0130-P0167 range). Replace the sensor if diagnostics confirm it is the cause.
Decreased Fuel Economy
A malfunctioning lambda sensor can lead to an incorrect air-fuel mixture, increasing fuel consumption. Replacing the sensor with a new Bosch unit can restore optimal fuel efficiency.
Failed Emissions Test
An inefficient lambda sensor can cause increased emissions. Replacing the sensor is often necessary to pass emissions tests.
Rough Engine Idling or Stalling
An inaccurate oxygen reading can disrupt the ECU's fuel delivery, leading to poor idling. A new sensor can resolve this issue.
Pros and Cons
Pros
- Ensures accurate engine performance by monitoring exhaust gases.
- Helps in maintaining optimal fuel efficiency.
- Contributes to reduced vehicle emissions.
- Designed for durability and a long service life.
- Compatible with multiple Ford OEM part numbers.
- Bosch brand signifies quality and reliability.
Cons
- Requires specific placement on the left side of the exhaust.
- Installation may require specialized tools or knowledge.
- Not a universal fit; vehicle compatibility must be verified.
- As an oxygen sensor, it's a replacement part, not an upgrade.
Setup, Compatibility & Care
Compatibility: This sensor is specifically designed for vehicles with exhaust systems requiring a post-catalytic converter oxygen sensor on the left side. Key compatible Ford OEM references include 1325748, 1326415, 1327549, 3M519F472CA, 3M519G444CA, and 3M519G444CB. It is suitable for models like the Ford C-MAX Mk2 1.6 (from 04/2007 to 09/2010) and Ford Grand C-MAX 1.6 (from 2010 to 2015). Always verify part numbers and vehicle fitment before installation.
Setup: Installation of a lambda sensor typically requires lifting the vehicle and accessing the exhaust system. It involves carefully unscrewing the old sensor and screwing in the new one. Ensure the threads are clean and apply anti-seize compound specifically designed for oxygen sensors if recommended by the vehicle manufacturer. Connect the electrical connector securely. Due to the critical nature of this component, professional installation by a qualified mechanic is highly recommended to ensure correct fitment and prevent damage.
Care: Lambda sensors are sensitive components. Avoid spraying cleaning agents directly onto the sensor or its wiring. Ensure the electrical connector remains clean and dry. Regular checks of the exhaust system for leaks or physical damage can help prolong the sensor's life. Adhere to the manufacturer's recommended replacement interval of 250,000 km for optimal performance.