Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Our Air/Fuel ratio gauge is designed to assist you to tune properly your engine and help you avoid engine problems. Just connect the meter to the 12 volts DC power source and plug it to your OEM oxygen sensor and you're ready to go.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: How does the KOSO BA003214 Mini 3 Air/Fuel Ratio Meter work?A: The KOSO BA003214 Mini 3 Air/Fuel Ratio Meter connects directly to your vehicle's OEM oxygen sensor and a 12 volts DC power source. Once connected, it measures the air-fuel ratio in real-time, helping you tune your engine accurately for optimal performance.
Q: Is the KOSO BA003214 Mini 3 compatible with all vehicles?A: While the KOSO BA003214 Mini 3 is designed to work with most vehicles equipped with an OEM oxygen sensor, it is recommended to check your vehicle's specifications before purchasing to ensure compatibility.
Q: What features does the KOSO BA003214 Mini 3 offer?A: The KOSO BA003214 Mini 3 features a clear display with backlight functionality, allowing for easy visibility in various lighting conditions. This makes it simple to monitor your air-fuel ratio during tuning sessions, day or night.
Q: How can I install the KOSO BA003214 Mini 3 Air/Fuel Ratio Meter?A: Installation of the KOSO BA003214 Mini 3 is straightforward. You need to connect it to a 12 volts DC power source and plug it into your vehicle's OEM oxygen sensor. If you are unsure about the installation process, consult a professional mechanic.
Q: What maintenance does the KOSO BA003214 Mini 3 require?A: The KOSO BA003214 Mini 3 requires minimal maintenance. Keep the device clean and ensure that the connections to the power source and oxygen sensor are secure. Regularly check for any signs of wear or damage to the wiring.
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