Description
Product Overview
The WQ-S09-23 is a high‑quality piezoelectric fuel flow meter designed for automotive fuel injection systems. Constructed with a hot‑wire sensor, it provides fast response and accurate air flow readings. The unit measures 1.18 x 0.79 x 0.39 inches and weighs only 1.76 ounces, making it easy to install in tight engine bays. It features a 5‑pin connector compatible with standard fuel injector harnesses and meets OEM specifications listed under part numbers DMA‑0108, 197400‑6030, and others.
Usage
This meter is suited for gasoline and diesel engines that require precise air‑fuel mixture control. Install it in the intake manifold or throttle body where the original sensor was located. Ideal for performance tuning, emissions compliance, and routine maintenance, the WQ‑S09‑23 serves both hobbyist mechanics and professional service shops. 
Why Choose Us
Our piezoelectric sensor is manufactured in Mainland China under strict quality control, ensuring durability and consistent performance over the vehicle’s lifespan. The hot‑wire technology reduces latency compared to traditional vane meters, delivering smoother engine response. Each unit is tested for accuracy and comes with a warranty that covers manufacturing defects, giving you confidence in every purchase.
Key Features
- Piezoelectric hot‑wire sensor for rapid air flow detection
- Compact size (1.18 x 0.79 x 0.39 in) fits most engine bays
- 5‑pin connector compatible with standard fuel injector harnesses
- Durable construction for long service life in harsh engine environments
- OEM cross‑reference numbers for easy replacement
FAQ
Is the WQ-S09-23 compatible with all vehicle makes?
The meter is designed to match OEM part numbers DMA‑0108, 197400‑6030 and similar, which are used by many manufacturers. Verify the part number in your vehicle’s service manual to ensure compatibility.
How does the hot‑wire sensor improve performance?
Hot‑wire sensors react to changes in air flow almost instantly, providing more accurate data to the engine control unit. This results in smoother acceleration and better fuel efficiency.
Can I install the meter myself?
Yes, the compact design and 5‑pin connector make DIY installation straightforward. Follow the included wiring diagram and secure the unit with the provided mounting hardware.
What is the warranty period?
We offer a one‑year limited warranty covering any manufacturing defects. Register your product on our website to activate the warranty.
Does the meter require calibration?
The unit is calibrated at the factory to meet OEM specifications. In most cases, no additional calibration is needed after installation.





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