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Description
AEM X-SERIES WIDEBAND W/ OBD CANAEM's X Series OBDII Wideband UEGO AFR Sensor Controller Gauge (PN 30 0334) provides tuners who are using piggyback tuning modules or open source software with the ability to view AFR through the factory CAN bus stream that is output by the factory ECU, and deliver the most accurate, safe and powerful tune. The 30 0334 X Series OBDII Wideband Gauge is validated to work with DiabloSport in Tune 3, Trinity 2, EFILive, HPTuners and DashDaq software. The
AEM's X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge (PN 30-0334) provides tuners who are using piggyback tuning modules or open source software with the ability to view AFR through the factory CAN-bus stream that is output by the factory ECU, and deliver the most accurate, safe and powerful tune. The 30-0334 X-Series OBDII Wideband Gauge is validated to work with DiabloSport in Tune 3, Trinity 2, EFILive, HPTuners and DashDaq software.The X-Series Wideband AFR OBDII Gauge includes an OBDII pass-through connector and 4.9LSU sensor that can be free-air calibrated or used with the factory resistor calibration. Additional wiring for a 0-5v or RS232 Serial output can be added by the user for outputting to a data logger. This OBDII pass-through capability replaces the traditional AEMnet stream available in the 30-0300 X-Series Wideband AFR Gauge Controller.
OBDII CAN-bus OUTPUT The OBDII output simulates an auxiliary ECU signal when plugged into a vehicle's OBD port, which requires a unique address from the other ECUs already on a vehicle's network. AEM's default OBDII CAN address will work with most popular vehicles and adjustments should not be necessary. However, AEM has provided OBDII address programmability through the buttons on the gauge face if a different address other than the default address is required, allowing users to program ECU #, Parameter Identification (PID), Message Identifier, and Bit Rate.
PATENTED X-DIGITAL TECHNOLOGY - It's The Fastest X-Series Widebands are the fastest responding wideband air/fuel ratio controllers in independent testing against 17 other wideband UEGO air/fuel controllers.* The controller's high speed, patented, X-Digital technology (Patent 9,575,030) 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-Digital technology reduce deadtime and can improve the performance of your vehicle through more accurate AFR tuning.
- - X-Series Wideband UEGO AFR Controllers Gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitors wideband AFR controllers
- - Patented X-Digital wideband technology (Patent 9,575,030)
- - Includes Bosch 4.9LSU wideband UEGO sensor
- - Factory calibrated resistor does not require free-air calibration, but technology allows for free-air calibration as sensor ages if user desires
- - Compatible with vehicle/system voltages up to 16V
- - 0-5V & RS232 output for data logging and feedback control, AEMnet (CANbus) for data logging and daisy-chaining multiple controllers up to 16 cylinders
- - Can display AFR values in hundredths
- - 52mm gauge diameter and slim 0.825" gauge depth
- - Gauge cup depth only .200" deep
- - Auto dimming feature
- - User configurable display via buttons on the gauge face for changing AFR values, Lambda and O2%, and 3-
- - Black bezel and black dual faced faceplate included (gauge only, silver bezel/white gauge option sold separately, PN 30-0300-ACC)
- - Locking connectors
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.1 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Fabulous
I love it. Works great and smells delicious.
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Reviewed in the United States on November 2, 2025
★★★★★ 4
Good for combo skin. Scented.
This moisturizer has a lightweight texture. It reminds me of a gel-cream. It does have a floral/powdery/fresh scent. It doesn’t bother me that much but a lot of people don’t like scented face products. I took off one star for the fact that it’s scented because I feel it’s unnecessary. Especially since this moisturizer is labeled for sensitive skin. I also feel like it is pricey for the small 1.3 floz bottle. It seems a bit basic for $40 doesn’t it? I have combo/acne prone skin and I am currently on prescription tretinoin/hydroquinone cream from my dermatologist. I needed a face moisturizer that is light and wouldn’t clog my pores but also super hydrating. My skin is very sensitive right now and I had no issues with this moisturizer. I felt it provided the perfect amount of hydration without being greasy and heavy feeling on my face. I don’t like heavy moisturizers. The hydrance rich version is way too heavy for me. The finish of this light moisturizer is soft and doesn’t leave a sticky feeling, like some face moisturizers do. I can wear this year round. It is hard to find the perfect balance of hydration without being greasy. Overall I will keep purchasing it because I am extremely picky about the texture of my face moisturizers and this one is perfect for me. It also wears well under sunscreen and makeup. I do think it’s a little overpriced and the fragrance is unnecessary. Overall it works for me but it’s very important to know about the floral fragrance. The fragrance does go away after a little while but it is present upon application and also minutes after. If you don’t mind the fragrance and have combo, acne prone skin like I do, you will probably like the texture. If you don’t want to pay the money for this avene, try vanicream face moisturizer. The cerave pm face moisturizer is also kinda similar. The vanicream face moisturizer being the most similar to avene light, in my opinion. Vanicream is also unscented and a fraction of the price. Make sure it is the one specifically for the face, without sunscreen. I was not sent this product for free and this is not a paid review. All honest opinions here.
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Reviewed in the United States on November 10, 2024
★★★★★ 5
Excelente
Excelente la uso hace años.❤️
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Reviewed in the United States on April 26, 2026
★★★★★ 1
Strong irritating scent
Strong perfume scent that triggered my allergies. Why would a product designed for sensitive skin have fragrance added? My dermatologist had provided me some samples from Avene that were unscented and worked great, but this product is unusable for me if it's perfumed.
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Holy Grail Moisturizer for Rosacea
Style: Restorative Protective Cream-3.3 Fl Oz
In seeing so many negative reviews I felt compelled to weigh in as this is my favorite moisturizer. I have very dry, menopausal skin. Additionally, I have rosacea which seems to have been a nice gift from said menopause (you can only laugh, right?). It's very common for those of us in our 50's to have a compromised skin barrier and when an issue like rosacea is present, even more so. Because of all this my skin is very intolerant to most moisturizers and nearly all actives (over the last few years I've had to discontinue my retinols and chemical exfoliators). While ingredients like ALA's, petrolatum, mineral oil, parafin/bees wax, and lanolin are well tolerated and known to be quite soothing, they don't hydrate very well as they are more occlusive than moisturizing. Enter this product. Magically, it does both! It's marketed as a protective cream, which again implies occlusive, but it penetrates like no other. Gone is the tight, dry feeling that persisted even when I had a heavy layer of product on my skin (my previous moisturizer was Eucerin Original Healing Cream -- which still has its uses -- because it was the only thing I could put on my skin outside of squalane oil during a flare).
Now, no topical can cure rosacea. However, the right product can calm the skin, repair the damaged lipid barrier, and improve its appearance. This moisturizer does just that and it's become my holy grail. Since starting this I've also added in the Cicalfate Serum which has only aided in repairing my skin. Another Avene product that works great for me is the XeraCalm Balm which helps with itching. I use all three of these daily and they've really helped fix the secondary issues that come with rosacea.
As for the complaints about it being greasy or too heavy. I can see this not working for people with normal or oily skin (or perhaps only in moderation). But my skin loves the heavier weight and because one of the ways I soothe a flare is to keep a tiny mister bottle on hand and repeatedly spray my face so I have to guard against the drying effects of evaporation. These products are so lipid heavy that I can wet my face all day long without worrying about that, though I do reapply throughout the day.
As for the watery consistency issue, I haven't had that problem but it does caution on the packaging not to expose the product to temperatures below 41 degrees F (5 C). I suspect that if it gets too cold either because of the weather or because of whatever warehouse it sat in during transit it will separate. Maybe open the package and before squeezing some out look to see if it has split and then shake it up/message the tube.
So, if you have skin like mine don't hesitate to try this product. I'm leaving this absurdly long review for my struggling brothers and sisters out there with rosacea in hopes that it provides some relief! Happy moisturizing, internet strangers. ;)
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Reviewed in the United States on July 18, 2025