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AEM

AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge

    • Based on 1,809 reviews
Condition: New
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$186.93 Why this price?
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Features

  • The X-Series wideband UEGO AFR sensor controller gauge (PN 30-0300) features a modern, visually striking faceplate and new seven-segment, center display that is 87% larger than the 30-4110 AEM
  • The gauge includes a 0-5v and RS232 Serial Port output for feedback control and data logging, and an AEMnet (CANbus) output for data logging
  • X-Digital wideband technology gives these controllers the ability to read and report values that other controllers do not, which can deliver more optimized engine tuning and a safer overall operating condition
  • Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune
  • When tuning an engine using wideband AFR feedback control on an inertia dyno, dead time affects the data you are looking at because it is reported in a different operating location than when it actually occurred

Description

AEM's X-Series wideband UEGO Air/Fuel ratio sensor controller gauges are built upon unique, patent-pending X-Digital technology that makes them the fastest responding wideband air/fuel ratio controllers in independent testing against 17 other wideband UEGO air/fuel controllers.

Specs & Other Info

SpecificationDetails
BrandAEM
Construction MaterialDurable Plastic
Weight of Item1.43 pounds (0.65 Kilograms)
DesignContemporary
Accuracy of MeasurementSuperior
Installation MethodFlange Mount
Primary UseTimekeeping
ManufacturerAEM
Product Model30-0300
Origin of ManufactureChina
Product ExteriorFinely Machined
Manufacturer & OEM Part Number30-0300
Release DateNovember 18, 2015
Current StatusNot Discontinued

Frequently asked questions

The AEM X-Series UEGO Gauge is a tool used to monitor and display the air/fuel ratio (AFR) of your vehicle. This is essential for tuning and optimizing your engine performance. It ensures that your engine runs at the best efficiency, resulting in better fuel consumption, more power, and less potential for damage.

The AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge is versatile and can be used with most vehicles that have an On-board Diagnostics (OBDII) port. However, before purchasing, it's always recommended to check if your specific vehicle model is compatible with this device.

The AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge is known for its excellent accuracy. It uses Bosch 4.9 LSU wideband UEGO sensor and the fastest controller technology in a 52mm gauge providing real-time AFR values with less than 100 millisecond response time.

The AEM X-Series UEGO Controller Gauge is generally easy to install with appropriate mechanical experience. The package includes a complete installation manual with step-by-step instructions. However, if unsure, it's recommended to have it installed by a professional to avoid any potential damage.

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Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.

These reviews suggest that the product is exceptional for fine tuning engines, enhancing power, and improving overall vehicular performance. It seems convenient to install, works great after initial adjustments and provides good value for the price. Note that some users have reported issues with the bezel and recommend testing the product immediately following purchase.

Pros

  • 🔥 Considerably enhances engine performance.
  • 🔧 User-friendly installation process.
  • 💰 Provides good value for money.
  • 💡 Allows for precise tuning.

Cons

  • 😕 Some users found the bezel thick, causing aesthetic concerns.
  • ☝️ Needs immediate testing after purchase to ensure perfect functionality.
  • 🎨 Matte finish of the bezel didn't match with most interiors which may require additional modification (like painting).

Should I Buy It?

Based on the high ratings, user satisfaction, and multi-functional use, it is recommendable to purchase the product assuming the minor concerns raised aren't significant hindrances. It appears to deliver excellent results in terms of tuning and boosting performance, thereby making it a valuable addition to your automotive toolbox.

    • Great item. Works perfect.
Purchased this twice. First one came used. Ordered from a different seller. Paid more but item arrived in new condition. Installed and worked perfectly.
Reviewed in the United States on July 10, 2024 by Justin
    • Perfect
Easy to install, good quality.
Reviewed in the United States on July 9, 2024 by Ram
    • Awesome wideband!
Installed this on my WRX so that I could tune the upper end of the MAF scale and get the AFRS dialed in. Works awesome if you wire it correctly.
Reviewed in the United States on June 1, 2024 by Payton
    • Great quality!
Review Image by Phillip Phillip
My first AEM product and will be making another purchase from them soon, fuel psi. This is great quality. Is a little larger around than a standard guage but easy to work with. Will update if any sensor issues occur.
Reviewed in the United States on April 3, 2024 by Phillip Phillip
    • Permanent install is time consuming
Review Image by Honest Review Honest Review
Review Image by Honest Review Honest Review
Review Image by Honest Review Honest Review
Review Image by Honest Review Honest Review
Once integrated with the 95 mustang GT seemingly confirmed any suspicion that the car was running lean. Chasing the perfect stoich now. Trying to keep my eyes on the road instead of the gauge at WOT is difficult. I find myself wanting to watch the gauge a lot. Drill 7/8" hole for bung and used dremell to cut two curves into the recessed side of the exhaust bung for better fitment. MAKE SURE THE WELD HAS GOOD PENETRATION and doesn't have any pinhole leaks or you WILL see false lean conditions. Now it's time burn a custom chip for the ECU and dyno tuning. This product is worth the cost considering all the technology compacted into this tiny gauge and sensor. It can easily be used on many different vehicles or installed permanently. ... show more
Reviewed in the United States on August 19, 2024 by Honest Review Honest Review
    • Works great. Using for carb tuning.
68 VW Bug with dual IDF carbs. Tuning by ear and RPM only gets you set at idle. But what does your mixture look like at high load when you get into the main jets? I don't have it permanently mounted. I just ran the cable into the car so I could see it while driving. It was nice to confirm that at WOT I was running a touch rich. Perfect. Then I could take the O2 sensor out of the exhaust, put the bung plug back in, and save the sensor for the next time I need to tune. I did previously weld in an 02 bung in my exhaust. I knew I would be running this at some point. Most muffler shops will do that for you for a few bucks. ... show more
Reviewed in the United States on October 22, 2023 by DurocShark
    • Fast Very
I've been very pleased with this set up. I've had a few from different companies and, per my data logs, this one clearly responds faster than the others. That is very helpful when tuning, particularly for acceleration enrichment. The gauge is easy to read and looks good. My classic car is fuel injected now and runs a Microsquirt V3 controller and this pairs great with it. So far no problems. Very happy, recommended! ... show more
Reviewed in the United States on March 20, 2024 by G.C.B.
    • Packaging
OK so this thing is awesome!!..it does what I need it to...but can someone tell me why there so poorly packaged?..the box came just taped up..that's it..and the box looked like it was ran over and then used as a soccer ball..kinda pathetic on Amazon's part
Reviewed in the United States on June 27, 2024 by Chris S.

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