Air Mass Sensor - CI Ignition - QM890
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eBayAir Mass Sensor fits VAUXHALL ZAFIRA A, B 1.6 99 to 14 Z16XE Flow Meter CI New
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Air Mass Sensor fits VAUXHALL ASTRA G, H 1.6 00 to 10 Flow Meter CI 25358054 NewFree delivery in 1–3 days£93.15Visit shop →
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Air Mass Sensor fits OPEL ASTRA G, H 1.6 00 to 10 Flow Meter CI 25358054 6235612Free delivery in 1–3 days£93.17Visit shop →
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Ci Ignition Qm890 Air Mass MeterFree delivery in 1–3 days£209.99Visit shop →
Product Information
Full details
This guide is for vehicle owners and mechanics seeking to understand and install the CI Ignition QM890 Air Mass Sensor. Its key benefit is accurate air-fuel mixture measurement for optimal engine performance and fuel efficiency. A key consideration is ensuring compatibility with your specific vehicle model before purchase. This sensor, with its integrated air temperature sensor and 2-pin oval connector, is designed to replace specific OEM parts, helping maintain your vehicle's engine management system.
All features
| Model Part Number | QM890 |
|---|---|
| Brand | Ci Ignition |
Extended Product Information
FAQs
How do I know if my air mass sensor needs replacing?
Common symptoms include a check engine light, poor acceleration, rough idling, stalling, increased fuel consumption, or difficulty starting. A diagnostic scan can often pinpoint sensor issues.
What is the main function of an air mass sensor?
It measures the amount of air entering the engine, providing this data to the engine control unit (ECU) so it can calculate the correct amount of fuel to inject for optimal combustion.
Does this sensor include an air temperature sensor?
Yes, the QM890 features an integrated air temperature sensor, providing the ECU with both airflow volume and temperature data.
What does '2-pin connector' mean?
It refers to the electrical connector on the sensor having two pins, which is standard for many mass air flow sensors and ensures a secure electrical connection.
Can I clean the air mass sensor?
It is generally not recommended to clean the sensor yourself, as specialized cleaners are required, and improper cleaning can damage the sensor elements. If cleaning is necessary, consult a professional or use a specific MAF sensor cleaner spray.
What is the warranty period for this part?
Please refer to the seller's specific warranty information, as warranty details can vary by retailer. Typically, replacement parts come with a manufacturer's warranty against defects.
How long does UK delivery typically take?
Orders placed before 3:30 pm typically qualify for 3 working days tracked UK delivery, Monday to Friday.
Troubleshooting
Check Engine Light Illuminates
This is often the first sign of a faulty air mass sensor. After installing a new sensor, the light may need to be cleared using an OBD-II scanner. If the light persists, re-check the installation and electrical connection, or consult a mechanic.
Poor Engine Performance (Hesitation, Stalling)
A dirty or faulty air mass sensor can lead to incorrect air readings, causing poor engine performance. Ensure the sensor is correctly installed and the electrical connector is clean and secure. If issues continue, the sensor may need replacement.
Increased Fuel Consumption
An inaccurate air mass reading can cause the engine to run too rich, wasting fuel. Verify the sensor is functioning correctly and that there are no air leaks in the intake system downstream of the sensor.
Rough Idling
An improperly functioning air mass sensor can disrupt the air-fuel mixture at idle. Confirm the sensor is compatible with your vehicle and that the installation is secure. Check for vacuum leaks as well.
Pros and Cons
Pros
- Ensures accurate air intake measurement for optimal engine performance.
- Contributes to improved fuel economy by allowing precise fuel delivery.
- Includes an integrated air temperature sensor for comprehensive engine data.
- Designed for straightforward installation in compatible vehicles.
- Built with durable materials for reliable long-term use.
Cons
- Requires careful verification of vehicle compatibility before purchase.
- May require professional installation if unfamiliar with automotive sensors.
- Specific OE part numbers need to be cross-referenced for guaranteed fitment.
- Limited to specific vehicle makes and models as per compatibility lists.
Setup, Compatibility & Care
Compatibility Check: Before purchasing, always use the vehicle make and model tool or consult your vehicle's service manual to confirm the QM890 is the correct part for your car. Cross-reference the part number (QM890) and OEM references (e.g., GENERAL MOTORS: 25358054, OPEL: 6235612) with your vehicle's specifications.
Installation:
- Disconnect the vehicle's battery to prevent electrical shorts.
- Locate the existing air mass sensor in the intake system, typically between the air filter box and the throttle body.
- Carefully disconnect the electrical connector.
- Unbolt and remove the old sensor.
- Install the new QM890 sensor, ensuring a snug fit.
- Reconnect the electrical connector securely.
- Reconnect the battery and start the engine to check for proper operation. A check engine light may clear on its own after a few drive cycles, or may require resetting with a diagnostic tool.
Care: This sensor is a precision instrument and generally requires no routine maintenance. Avoid cleaning it with any solvents or compressed air, as this can damage the delicate sensor elements. If the sensor appears dirty, it is often a sign of a larger issue in the air intake system (e.g., a dirty air filter). Ensure your air filter is clean and properly seated to protect the sensor.