SKU: 91400659868

AEM X-Series Inline Wideband UEGO AFR Sensor Controller With X-Digital Technology

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Description

AEM X-Series Inline Wideband UEGO AFR Sensor Controller With X-Digital TechnologyAEM X Series Inline Wideband UEGO AFR Sensor Controller with X Digital Technology. Includes: X Series Inline Wideband Controller, Bosch LSU 4. 9 Sensor & O2 Sensor Bung AEMs X Series Inline Wideband UEGO Air Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest responding wideband air fuel ratio controllers in independent testing*. The X Series Wideband UEGO Air Fuel Ratio Controller replaces the

AEM X-Series Inline Wideband UEGO AFR Sensor Controller with X-Digital Technology. Includes: X-Series Inline Wideband Controller, Bosch LSU 4.9 Sensor & O2 Sensor Bung

AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest responding wideband air/fuel ratio controllers in independent testing*. The X-Series Wideband UEGO Air/Fuel Ratio Controller replaces the popular 30-2310 Inline Controller.

X-Series Inline Wideband UEGO Controller features a weather-resistant, low-profile enclosure with status LEDs. It is ideal for users who do not need a gauge display and want the fastest response time when data logging or for feedback control when tuning with an engine management system.

The X-Series Inline Controller includes a 0-5v and RS232 Serial Port output for feedback control and data logging, and an AEMnet (CANbus) output for data logging and daisy chaining multiple X-Series Controllers together (up to 16 cylinders) for recording AFR in multiple cylinders. It supports vehicle/system voltages up to 16V, and can be used on EFI or carbureted applications, and dynamometers in applications using gasoline, methanol, ethanol, Diesel, propane and CNG.

PATENTED X-DIGITAL TECHNOLOGY
Patented X-Digital wideband technology (Patent 9,575,030) 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. The controller’s high speed digital implementation ensures no loss of signal fidelity and full transient response, making it able to identify the slightest fluctuations in AFR and output them in full value.

WHY RESPONSE TIME MATTERS
Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM’s Wideband Controllers with X-Series digital technology can reduce deadtime and improve the performance of your vehicle through more accurate AFR tuning. Deadtime is the delay between when exhaust gas composition changes and when that change is reported by the O2 sensor. While flow of exhaust gases (transport delay) can affect deadtime, it is not the only source. Often, the sensing elements response to the gas is the largest contributor to deadtime when an engine is in high RPM under load.

When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it actually occurred. This means with long deadtimes, whatever changes you make to the base fueling will likely be in the wrong location. This can be particularly dangerous to high compression and high-boost forced induction vehicles, and EFI systems that use feedback control to auto tune.

Reducing deadtime improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM’s Wideband Controllers with X-Series digital technology can reduce deadtime and improve the performance of your vehicle through more accurate AFR tuning.

FACTORY CALIBRATION RESISTOR OR FREE-AIR CAL, IT’S YOUR CHOICE!
The X-Series Wideband Gauge and X-Series Inline Controller support the popular Bosch 4.9LSU sensor and can utilize both the factory calibration resistor and free-air calibration methods**. This allows users to take advantage of the precise factory resistor calibration when a sensor is new but then allows for free-air calibrations if the user desires when the sensor ages. It’s the perfect marriage of simplicity and accuracy!

WHAT IS A WIDEBAND UEGO AIR/FUEL CONTROLLER?
AEM's Wideband UEGO (Universal Exhaust Gas Oxygen, pronounced “You-Way-Go”) Controllers are p...

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SKU: 91400659868

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4.8 ★★★★★
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Beth
Los Angeles, US
★★★★★ 5
Still in one piece and played with!
Color: Checkers - Dinos Bruto (Purple), Size: Mini
Very durable for my little King Charles Chewer. She's had it for a while now and all though the chewing phase has calmed down, she still can be somewhat rough with the toys. The little dino is standing firm. It was a battle she figured she couldn't win with Dino. Now he's a fetch/ tug o war toy that still gets a few nibbles.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
K
Verified Purchase
Kimmi Bear
Carnegie, US
★★★★★ 4
DONT BUY THE ELEPHANT, ITS NO GOOD. but GR8 BRAND!
Color: Checkers - Elephant (Gray), Size: Large
The elephant toy had no trunk by the FIRST day! The elephant now looks like an angry Koala bear OR an angry trunk less elephant(whichever u want to say) I LOVE the donkey and dinosaur toys so I bought the elephant confidently, thinking I had nothing to worry about. I wouldn't have spent money on this knowing the trunk would be chewed off in a matter of minutes. My Bella usually chews but she has had her donkey and dinosaurs with the chew guard for MONTHS and there are NO TEARS OR RIPS even with her playing and chewing on them ROUGHLY all day. If you buy any of these type toys I DO highly recommend the donkey or dinosaurs ONLY. The elephant being chewed up in a matter of minutes really makes me angry that I ever spent the money on it. HAD I known it wouldn't be the high quality dog toy I'm used to from GoDog, I would've just bought a second donkey or dino! Now Bella doesn't get her new toy for the month (I try 2 buy her a new stuffed toy or 2 about 1 time a month whenever I have the extra money for it) I guess she will have to go without this month because I spent it on this now trunkless elephant/angry koala:( Whichever name you call it, it is now going to be trash. UPDATE! If you contact the GODOG company they will send one replacement toy for your pet! They also asked me my pet's size, breed and age in order to send the best possible toy! They sent Bella a snake that has held up Extremely WELL! It's great and so far is my favorite(and one of Bella's favorites) The snake has less sqeaky things in it so she doesn't have the drsire to tear it apart immediately to retrieve them by rippong it to shreds:) My updated rating is for the MANUFACTURER'S GREAT CUSTOMER SERVICE. The fact that they actually replaced it was good but the fact that they went that extra mile by researching the best toy match for my Bella was above and beyond! If you have a Godog toy that went bust right away, contact the manufacturer for a replacement. If you give them your dog's age, weight and breed they will even try to match your pets replacement toy with something that is better suited to your dog's chewing style. (Bella's style is destructive haha) Good luck, ya'll!
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Reviewed in the United States on October 26, 2016
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Becky Darling
Bozeman, US
★★★★★ 5
⭐⭐⭐⭐⭐ FINALLY! A toy that can handle my furry demolition expert!
Flavor Name: Beef, Size: Large
Let me tell you about Moxie, my 97-pound Rottweiler who has made it her life's mission to destroy every single toy that dares enter our home. This girl has teeth that could probably open cans and jaws that make nutcrackers jealous. I've spent more money on "indestructible" dog toys than I care to admit, only to find sad little pieces scattered across my living room within hours. BUT THEN... enter the Tikaton Indestructible Dog Chew Toy! 🎉 I'll be honest - I bought this with zero expectations. Just another victim for Moxie's reign of terror, right? WRONG! This bone has been in our house for THREE MONTHS and it's still going strong! Sure, Moxie has made some progress (she's persistent, I'll give her that), but this thing is holding up like a champ against her industrial-strength chompers. The best part? Moxie is absolutely OBSESSED. She carries this bone around like it's her precious treasure, gnawing away contentedly for hours. It's given my furniture, shoes, and sanity a much-needed break! Pros: Actually lives up to the "indestructible" claim (mostly!) Keeps my destruction-loving pup busy for hours Great value - lasting months instead of minutes No weird smell or toxic materials Cons: Nothing is truly indestructible when facing Hurricane Moxie, but this comes pretty darn close! Fellow owners of canine wrecking balls - THIS IS THE ONE! Your wallet and your home will thank you. Update: Month 4 and still chewing! Moxie approves this message with enthusiastic tail wags.
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Reviewed in the United States on June 5, 2025
M
Verified Purchase
Michael Krakowiak
Carnegie, US
★★★★★ 5
Beef is her favorite
Flavor Name: Beef, Size: Large, Flavor Name: Beef, Size: Large
Our Belgian Malinois loves them, her favorite is the beef, as you can see. They last several months, we swap them out around the 3 to 4 month mark.
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Reviewed in the United States on May 16, 2026
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Verified Purchase
Shopper
Lowell, US
★★★★★ 4
Great buy-read update
Flavor Name: Beef, Size: Large
My dog loved it right away. Kept going from his old bone to this one and finally just stuck with this one. My dog is a 90 pound 1.5 year old German Shepherd. The size is fine. I don’t know what the other people were talking about when they said the large was too small for big dogs. It’s not indestructible, after one day there were serious gouges on it, but it looks like it’s going to last quite awhile. I will say, he’s not able to gnaw off little pieces of it, and that’s a great thing. I couldn’t give it five stars, because we just received it, and the dog has only had it for a few days. So it’s 4 stars. ****UPDATE**** As of Jan. 1, 2021, the bone is in the trash. The thing seemed to get softer and come apart more easily the more he chewed. I was finding little pieces all over and god only knows much of it he swallowed. Now I give it 3 stars.
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Reviewed in the United States on November 22, 2020

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