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Your cart is empty.A wideband UEGO sensor controller accurately monitors Air/Fuel ratios (AFR) during the tuning process to prevent a lean fuel mixture, which could lead to engine damage. AEM has combined its single-channel wideband UEGO controller and gauge display into one unit, uniting unsurpassed AFR accuracy and control with an easy-to-read interface. AEM’s Gauge-Type Wideband UEGO Controller features a digital LED display and sweeping LED “needle” that changes colors as AFR changes from rich to lean. The unit’s 52mm (2-1/16”) gauge housing fits in most gauge pods and can be remotely mounted virtually anywhere.
Novaboy-73
Reviewed in Canada on June 14, 2018
A valuable gauge which acts as a tool to use when tuning/jetting the carburetor ...
richard
Reviewed in Canada on November 25, 2016
good delivery time-works as advertised.
NeedSpace
Reviewed in the United States on August 12, 2013
I installed this in my 1976 Porsche 911. I used it for diagnostic purposes more so than for high performance tuning (my mixture was way off). I originally was going to purchase an O2 exhaust analyzer, however, this was cheaper (by about $80) and this offered the advantage of being able to use it at speed on the road. Some had complained about the length of the cable. Given my car is a rear engine I was VERY happy with the length as it was just enough to reach with a little slack while being well hidden under the carpet. The instructions were good and easy to follow. I installed it in my dash where the clock (which didn't work anyway) used to be. I learned a lot about how the AF ratio in my car works and because of this, I diagnosed a vacuum leak that I would not have found if I used an O2 exhaust analyzer. In hindsight, because I plan on using keeping the sensor in, I wished I had purchased the old style analog gauge rather than the glitzy LED so it would match my other gauges. This speaks to how much I like the gauge, my original plan was only to fix the problem then put the clock back in.I would recommend it.
bradlee buentello
Reviewed in the United States on October 3, 2013
The gauge works and looks great. After opening, the wideband O2 sensor was installed by a Certified Mechanic and reads full lean right after starting car. After looking into it, the sensor is bad.... I would like another replacement sensor to be shipped to me free of charge since I paid for a item that was in working order.
Isaac
Reviewed in the United States on April 1, 2013
I'm using this on my modified Subaru WRX. My aftermarket exhaust had a pre-tapped bung for a wideband sensor, so I didn't have to worry about welding one in (there is a bung included in the box).Setup is dead simple, just installed the sensor, provide power and ground to the gauge, and that's it. There are also two leads for a 0-5V analog output and an RS-232 serial connection for communicating to stand alone logging systems as well. I'm using the serial connection to my datalogger, and AEM's clear and simple instructions made this process a snap.AEM's O2 sensor is pre-calibrated, you don't need to do a free-air calibration like you do with the Innovate LC-1. The drawback is that you're locked into AEM sensors for when the sensor needs replacement, but the O2 sensors are affordable enough for this to not be an issue for me.Aside from that, there's not much to say. It's simple and it works. If I had one complaint, there's no dimming ability for the gauge, it's either on or off. This isn't a big deal for me though, as the LCD display isn't exceptionally bright, so it's not harsh at night compared to any of my other gauges.All in all, a great product from AEM.
S. Baker
Reviewed in the United States on August 15, 2011
If you're looking at this, you have probably souped-up your car and need to keep an eye on your air-fuel ratios.This does that, and does it well. Readings are very consistent and this gauge has a reputation for accuracy.You can use this gauge and also hook it up to a standalone engine management system for data-logging. The gauge housing is plastic...but it doesn't need to be a tank. The wiring is all very good, and not cheap-feeling in any way. Installation was also quite easy...you do need to have a +12V ignition source...and FUSE IT. If you melt a wire going to the O2 sensor, you could ground on the chassis and that could be real bad. This did not come with a fuse, but Autozone has solutions for that.There are silver and black surrounds. The bezel is silver and black for AFR, or black for Lambda. There's a light sensor in the gauge, so it will get darker at night and not flood your interior with light. The sampling rate is quite high, so you'll know what your AFR is at any time. Sometimes the "needle" doesn't light when you're between discrete positions...but I only read the number so I don't care.The picture would make you think you have only 6 inches from the gauge to the O2 sensor, but I think it's probably closer to 10 feet. there's a harness about 6 inches from the O2 sensor, so swapping them out will be easy if/when the wideband sensor breaks. New ones are like $75. Instructions were thorough, too.I'm a relative noob to Forced Induction, but I was able to install this gauge myself in 2 hours or so. Most fuse boxes have a +12V ignition source on them, so you can use that. I'd recommend having a spade female fitting for the positive, and a ring terminal for the ground. I used crimping connectors; didn't feel the need to solder since it's inside the car.
J. Proctor
Reviewed in the United States on April 21, 2011
This gauge was overall a good buy. It does what it is supposed to do and isn't very hard to setup. For that, it gets three stars (I'd do 3.5 if I could).However, it's not the highest quality product I've worked with. I'm not at all impressed with the cheap plastic housing it comes with (I don't need lots of colors; I'd prefer higher quality parts). The housing is also bulky, so you'll have trouble fitting this into a lot of gauge clusters.In addition, the screen messed up on me about 6 months after purchasing. One of the display lines stop working, so guessing at what number it was displaying was a bit of a chore. Not impressed. I would appreciate a higher quality display for the price.Finally, I found it was a bit flashy and distracting. If that floats your boat, all the more power. But I don't need it to display a lot of unimportant information when I crank the car, etc. I want a simple and elegant read out that is functional.Other than those complaints, this will get the job done. It's not too expensive, but I feel like it costs enough that it should avoid the problems I mentioned above.
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