SKU: 55794366226

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 TechnologyAEMs 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

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 powerful, cost effective tuning tools that allow users to accurately monitor the Air/Fuel Ratio (AFR) of their engine. WHY USE A WIDEBAND AIR/FUEL CONTROLLER? Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough fuel) may result in serious engine damage. Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency. AEM has a comprehensive line of highly accurate, reliable wideband air/fuel controllers that can help ensure your vehicle is optimally tuned. CAN I CHANGE THE AEM UEGO SENSOR’S CONNECTOR? No. There is a laser-etched, calibrated resistor in the sensor’s connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will invalidate the sensor’s output. * Independently tested at 360° Product Testing (results reported on August 31st, 2015) against 17 competitor wideband UEGO Air/Fuel Controllers. AEM X-Series Inline with Bosch 4.9LSU wideband sensor and AEM X-Series Wideband UEGO AFR Gauge with Bosch 4.9LSU sensor recorded the fastest response times. ** Wideband UEGO sensors are wear items and their lifespan is determined by many factors including contamination from leaded fuels, automotive fluids, particulates, mechanical or thermal shock and from being unheated and exposed to the exhaust stream. Free-air calibration may correct drift as a sensor ages, but it is recommended that they are replaced as part of your vehicle’s maintenance program. When performing free-air calibration, please follow the procedure outlined in the instruction manual.

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SKU: 55794366226

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4.9 ★★★★★
Based on 14 reviews
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Product Reviews
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Verified Purchase
Sandra Smith
Cuba, US
★★★★★ 5
Escape room
Format: Hardcover
Once I started reading I couldn’t put it down!
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Reviewed in the United States on May 30, 2026
A
Verified Purchase
Amber
Phoenix, US
★★★★★ 4
Rooting for the Underdogs
Format: Hardcover
The Escape Game pulled me in with its strong cast of characters and the way their relationships unfolded under pressure. Marissa Meyer does a great job creating characters you want to root for, and that emotional investment made the story shine for me. The pacing started a little slower than I expected, and it took me some time to fully settle into the world and the stakes. But once the story found its rhythm? I was hooked. The second half absolutely flew by—I finished it in about two hours because I had to know what happened next. The tension builds beautifully, the twists land well, and that ending? Such a strong cliffhanger. Now I’m already counting down until the sequel because I need answers. If you can hang in through the slower start, the payoff is definitely worth it.
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Reviewed in the United States on May 4, 2026
O
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OpheliasOwn
Houston, US
★★★★★ 5
Utopia vs. Dystopia
Format: Hardcover
Having just finally read Lois Lowery's The Giver, I knew I had to read the book recommended to me as "a romantic Giver". Ally Condie's breakout dystopian/utopian novel Matched challenges all we know about life, questions, and choices. Very similar to The Giver's false utopia, this world has done everything to make sure there is no pain, no confusion, and no choices. But in taking away our ability to choose, have they also taken away our ability to live? Cassia is excited about her Match Banquet. Here she will meet the man she will eventually marry. He will be from another city, but through interactions monitored by Officials, she will get to know him and they will eventually start a family. In Cassia's world, the Officials have created a life where no one has to make choices. The food they eat, what they wear, where they live, the jobs they do, and even the people they marry, are all choices carefully made by sorters who evaluate data in order to assign choices for everything. Food is delivered every day prepackaged and ready to eat. Even the waste they throw into their disposal is monitored to make sure it is the right amount and proper density compared to the amount of food and products they are given. Without any choices to make, people can't make the wrong choices. Something strange happens at Cassia's Match Banquet. She is assigned to Xander, he best friend. Usually Matches occur with people from other cities, but she got someone in Mapletree Borough. Cassia is excited, but the situation means they won't have the typical courting scenario since they already know each other. Still, Cassia gets the box with Xander's card in it and plugs it into her portscreen to read the information about Xander, but it isn't Xander's card- it's Ky's- another boy from town. While Cassia knows this was a mistake, she still can't stop thinking about Ky, especially when she learns of his status in the society- Ky Markham is an Aberration. Aberrations are outsiders within the society. They can live and work in the Boroughs, but they aren't given important jobs and aren't allowed to Match. They aren't dangerous like Anomalies, who aren't allowed to live in the Boroughs, but they aren't exactly accepted either. Ky's status intrigues Cassia, and when they are put together in the new hiking group for free time, she grows to really enjoy his company. In fact, Ky is the only person she shares the illegal poem her grandfather gave her before he was released (everyone is "released" at the age of 80). The poem, "Do Not Go Gentle" by Dylan Thomas keeps swirling around in Cassia's head. It is not part of the Hundred Poems (the Society has only saved 100 poems, 100 paintings, etc. Everything else was destroyed and the people of the society are only allowed to view the 100 that have been deemed appropriate). In fact, it is dangerous for her to even know about the poem, but she can't forget about it since her grandfather gave it to her. And Ky understands why. The poem, Ky, and so much more are making Cassie question the Society and the lack of choices. She knows why the Society has created the world she lives in, but she isn't as willing to accept it's rules anymore. She likes Xander, but she starts to love Ky. She is angry about losing her grandfather, and hates that the Officials can come into her home and take anything they want. She chooses to Not Go Gentle. She wants to Rage, Rage Against the Dying of the Light. Cassia has become exactly what the Society has worked hard to eliminate- a young woman who wants to make her own choices. I am so intrigued by the thin line between utopia and dystopia. A utopia is always flawed and therefore teeters on the edge of a dystopia, such as in Matched. A dystopia may be a horrible new world, but there is always hope, always someone willing to stand up to the tyranny. This story is beautifully written and will make you appreciate each and every choice you make- including the ones that might seem difficult at the time. While choices might not always be easy or fun, they are still ours to own and be responsible for. Sure it might be easier not to have to decide what to wear everyday, but where does it stop? Where does giving up control become too much lost? This is an amazing book filled with deep questions and budding romance. You can feel Cassia's dilemma between Xander who has always been her friend and confidante, and Ky who just knows her. Both young men are great people, so you don't even know who you want her to choose! But in the end, we all have to ask ourselves, how many choices are we willing to give up? If we were Cassia, would we be willing to continue our humdrum lives with Xander, or slip into the vast unknown with Ky? Give this story a shot... after all, it is your Choice to Make!
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Reviewed in the United States on March 21, 2013
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Reader13
Lexington, US
★★★★★ 4
A poetic and lyrical read that makes you contemplate your future.
Format: Paperback
(Originally posted on my blog, That Artsy Reader Girl. I bought my copy from a seller other than Amazon.) This is a wonderful dystopian book, that really made me think. The people of this world live in a time where everything they do is governed and decided by the Officials of the Society. People are matched up with their spouse, their job, their extra-curricular activities, and even the day they will die. All the literature, music, and art have been paired down to the best 100 pieces of each. The Officials have destroyed everything else. The people are not allowed to write. Everything they do is monitored--even their dreams are recorded. They are only allowed to exercise a certain amount. If they go over that time, or do it too vigorously, they are marked as a person with body image issues. They are only allowed to eat a certain amount of food, which is delivered to them three times a day. Pills control their emotions. Their possessions are regulated. What kind of life would that be? What purpose do the humans even serve anymore? If they go against the rules, they are marked and are no longer a respected part of society. They are pulled out of the Matching Pool, no longer allowed to be married, and are given menial jobs that lead to an early death. Choices are against the law. This is the world Cassia lives in, only she's not happy about it. The Officials messed up. A glitch in the system showed Cassia the corruption behind the decisions these Officials made, and now she's rebelling--hoping that she can somehow beat the system. Sure, the guy chosen for her might be the most ideal, most compatible, and most practical Match for her, but what about the one she's fallen in love with? Love doesn't matter anymore. What if she doesn't want the job they assigned her? Too bad. She can't even choose the clothes she wears. The only time she was ever even allowed to wear a color was for her Matching Banquet, where she was assigned a mate while wearing her beautiful green dress (hence the symbolic book cover image of a girl in a green dress, trapped in a glass ball of dictatorship)--a green dress she chose from a catalog of approved choices. Of course, she could not keep this dress. She was sent a small piece of the dress fabric mounted between two pieces of glass after the Banquet was over. This is the control these Officials have. The people are being drugged to forget things. They are all lost in a world of conformity. They are being brainwashed into thinking this is all ok. Cassia finds a person who remembers the past. He has access to old "destroyed" writings. He knows how to write. He knows the history of humankind, and it's a whole lot better than what they're going through now. The more Cassia rebels and learns about the past, the more corruption she notices. She's also falling deeper and deeper in love--with the wrong person. She's going to do something about it. She's going to change her destiny. I really loved this book. Many of the passages are extremely poetic, and somewhat lyrical. The descriptions of the scenery make you feel as though you were there. The emotions and feelings are easy to understand. The situations are easy to relate to. The characters are real people. I connected so well to the entire storyline. Cassia is a great heroine. She is not the rule-breaking rebel to the extent of Katniss Everdeen from The Hunger Games, but this IS only book one. We might see more rebellion in the future books. She was weak in the beginning, but learned more as the book went on. She grew a backbone! I liked her character development. I really enjoyed the love triangle, which I think ultimately symbolizes rebellion vs. submission. She was told to do one thing, but really wanted the forbidden. It's a relatable dilemma on many levels. I enjoyed the relationship she had with each of the two boys in this triangle. One was very sweet and innocent--two childhood friends realizing they're going to get married and exploring the new feelings the Society says they should be developing. The other one was forbidden but equally, if not more, sweet. They snuck around and tried to stifle the underlying tension of wanting, but not being allowed to have. I love this relationship more than the other. It seems more real to me. There could have been a bit more chemistry between them, but I understand that it had to be very hidden in order to protect both of them. With the rebellion I expect to see in the coming books, I expect to see more chemistry as well. All in all, this was a great book, and I really enjoyed it!
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Reviewed in the United States on February 24, 2012
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Verified Purchase
Katrina
Alexandria, US
★★★★★ 5
A Very Well Written and Entertaining Novel
Format: Paperback
Have you ever wondered what it would be like if your whole life was planned. You didn't get to cheese who you got married two and had to live the same as everyone. The government only allows the people to have access to 100 paintings, books, pieces of music. And other sources of art. People in the book matched by Allyson Condie must all live the same, eat the same, and get Matched with someone which whom they will marry. But Cassia is matched with two people. As I said Seventeen year-old Cassia lives in a futuristic, dystopian society where the citizens' lives are strictly controlled by the government. At the age of seventeen, citizens undergo a process known as "matching" which means being paired up with another boy or girl selected by the government. She ends up being matched with her best friend, Xander, and is at first excited about their future together. However, when she's at home viewing her micro card on the port, something flashes and a familiar face pops up on the screen, its Ky Markham, another friend of Cassia's. She is confused because she was matched with Xander and Ky who is an aberration. An aberration is someone who will never be matched. Cassia soon starts to fall in love with Ky during her summer leisure. Throughout the book Cassia is forced to try and forget about the image of Ky on the port and focus on her true match Xander. But, that is difficult for Cassia knowing someone else could be her match too. Throughout the novel Cassia has to face choices and rebellion against the officials which makes life even harder. This book was amazing, I highly recommend it. There were points in the book that make you really have to think. Also I am glad that Cassia is standing up for what she believes in and is not just going with the flow. It’s important to stand out and express how you really feel. This book does a great job in keeping readers entertained. I often found myself saying over and over “one more chapter”. I have not yet read the next two books but an extremely excited to start them. Allyson’s way of writing just seems to be so descriptive. If you ever need a Dystopian Future book to read this is the one. It’s filled with everything, action, suspense, romance, and rebellion. Just think if you were put in Cassia’s shoes or just even in the society what would you do differently, or the same and why. And if anyone is debating to read this book you defiantly should, everything is great about this book, the beautiful writing by Allyson, the plot, and the character depth. Thank you for reading this and I hope I inspired you to buy this book.
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Reviewed in the United States on April 15, 2014

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