Vauxhall Opel Astra G MK4 Air Flow Mass Meter Sensor Bosch 0281002180

Vauxhall Opel Astra G MK4 Air Flow Mass Meter Sensor is a component from the Air and fuel intake sensors group, responsible for the precise measurement of the amount of air drawn into the engine. A properly functioning mass air flow sensor supports stable engine operation, correct fuel metering, and smooth performance at idle and under load. The offered item is a solution for users looking for a proven, used part with factory performance characteristics.

Specifications and technical data

• SKU: 281002180
• Mark: Opel
• Condition: Used
• OEM Part Number: 0281002180
• Substitutable numbers: 0281002180, 0 281 002 180
• Category: Air Intake & Fuel Sensors

Function and role of the mass air flow sensor in the Opel Astra G

The mass air flow sensor in the Opel Astra G MK4 is a key sensor in the intake system that transmits information about the amount of air entering the cylinders to the engine control unit. Based on this data, the controller selects the fuel dose, which affects:

• stable idle speed,
• smooth acceleration without jerking,
• maintaining the correct air-fuel mixture composition,
• reducing excessive fuel consumption.

A well-chosen mass air flow sensor also helps maintain correct exhaust emission parameters, which is important for periodic technical inspections and vehicle operation in both urban and extra-urban traffic.

Benefits of using an original air intake sensor

Using a mass air flow sensor from the Air and fuel intake sensors group dedicated to Opel allows you to maintain the factory engine performance characteristics. Compared to low-quality replacements, the original sensor provides:

• signal consistency for the engine control unit,
• better measurement repeatability across the full load range,
• lower risk of errors related to the air-fuel mixture.

For users who want to restore proper engine operation after symptoms such as power loss, fluctuating idle, or increased fuel consumption, installing a functional mass air flow sensor is one of the basic diagnostic and repair steps.

Characteristics of the used component

The offered mass air flow sensor is a used part, which allows for economical repair while maintaining parameters close to factory specifications. This type of component is particularly attractive for owners of older Opel Astra G MK4 models, where reasonable service costs are important while maintaining proper engine operation.

Before installation, standard service procedures are recommended, such as checking the intake system for leaks and verifying the condition of the air filter to ensure proper operating conditions for the sensor and extend its service life.

Application in the intake and fuel system

As an element from the Air and fuel intake sensors group, the mass air flow sensor works with other sensors and components controlling engine operation. Correct reading of the air quantity affects:

• injection system operation,
• throttle response,
• operation of fuel dose correction systems under various load conditions.

Thanks to this, the driver receives predictable acceleration characteristics and more repeatable fuel consumption in daily use.

Selection and additional information about used electronics

When selecting a mass air flow sensor for the Opel Astra G MK4, it is worth paying attention to compatibility with the engine unit and the engine control unit to avoid problems with signal interpretation by the vehicle's electronics. If you have any doubts regarding installation or diagnostics, specialized guides on used automotive electronics may be helpful – you can find practical tips in the article Second life for 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 engine area in your Opel and need other elements from the same group, such as additional air flow sensors, intake temperature measurement elements, or components related to fuel dosing, check the available parts in the Opel air and fuel intake sensors category.