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The UEGO gauge will indicate changes in the air/fuel ratio in real time, which is essential when you aim to perform safer, more powerful and accurate engine tuning.
Specifications:
52mm(2-1/16") Diameter Mounting
Compatible with Vehicle/System Voltages up to 16V
0-5V Analog Output
Serial RS-232 Output
20ms Typical Response
8.0:1 to 20.0:1 AFR / 0.55 to 2.00 Lambda
Configurable 3 or 4 Digit Precision Display Modes
Configurable AFR, Lambda or O2% Display Modes
Free Air or Resistor Trim Calibration Modes
Auto Dimming Feature
Gledewen Wideband UEGO Air Fuel Ratio Gauge Kit Includes:
1 * UEGO Gauge
1 * Wideband Oxygen Sensor
1 * PWR/IO Cable
1 * Sensor Harness
4 * Butt Connectors
1 * Silver Nut
1 * Installation Instruction
Usage Steps
1. Connect Harness A to Port A.
2. Connect Harness B to Port B.
3. Connect the other end of Harness B to the sensor.
4. The other end of Harness A has a red wire for the positive terminal and a black wire for the negative terminal.
5. Connect to a 12V power supply. The instrument will start working, with a working voltage of 12V.
6. The dashboard has a setting and selection button, allowing for 8 function switches.
7. In the 4-digit mode, press the left button to switch to the 3-digit mode. Press the select button to confirm, which will change to 3-digit mode. Keep pressing to switch to the initialization mode or air-fuel ratio mode.
8. Change to CAN mode for engine combustion ratio calibration and adjustment. This can increase the combustion ratio and improve engine efficiency.
Joe Butts
Reviewed in the United States on February 20, 2025
Works great
Neon
Reviewed in the United States on February 14, 2025
Hooked to my aem ecu, works as it should reads correctly as of now.
Kaphs_kcin93
Reviewed in the United States on January 4, 2025
It's a garbage product. I installed the sensor and wired up the gauge and it doesn't work at all, the gauge jumps around for about 10 seconds then bottoms out at it's lowest reading of 8.01. The buttons on the gauge face are cheap and most of the time don't actually do anything when you press them, tried wiring it into my HP Tuner with a Pro-Link cable and there is no voltage signal. Thought maybe I got a dud and returned it and got a replacement, hooked it all up and this one doesn't work either. I'll get my money back from Amazon but the waste of time and effort is frustrating. Don't be me, buy from a reputable company who makes a functional product.
Axlenut
Reviewed in Canada on January 21, 2025
Love the serial output
Bob
Reviewed in Canada on September 30, 2024
It was working excellent at first really good accurate readings then after about a month it started acting up and I can scan through the settings but it won't heat up or show any reading .
Rob O.
Reviewed in Canada on August 19, 2024
I was skeptical but it is the real deal. Works great and as I had read before came with aem instructions
Customer
Reviewed in the United States on June 7, 2024
Works great and easy to install
Steve M.
Reviewed in the United States on December 4, 2024
I bought this for my 1930 Model A hotrod, I wanted to make sure that my Holley carburetor was tuned properly and not running too lean or rich, which is not good for the engine. The install was easy, and I mounted it on the steering column so I could read it without distraction. Everything in the product description was correct, and so far, it's been functioning perfectly. The price point was within my budget, and it works just as well as higher priced units. I would recommend this AFR gauge to anyone who wants to tune their engine the easy way.
R. Young
Reviewed in the United States on December 3, 2024
I used a slightly longer bung than provided and welded up a temporary exhaust extension for my experimental airplane to tune the carburetor. It has been a game changer, as I was running WAY too lean. With reliable data, I was able to rapidly get my engine dialed in. I'm using leaded fuel in this application, but in this temporary installation I think the heated sensor will last long enough.There are specialized tuning meters available, but I wasn't sure this whole deal was going to work, so I went the inexpensive route to minimize financial risk, but it's worked out great. The documentation is Just Enough for an experienced mechanic to figure out how to install it.
Customer
Reviewed in Canada on December 16, 2024
Only downfall is that the display was always dim. No auto bright in direct sunlight and can’t see the display.
Ricardo Medina
Reviewed in the United States on December 10, 2024
So far has worked over the past few months. Cammed my Yukon and worked fine with HP tuners prolink
Dave Riley
Reviewed in the United States on November 2, 2024
Worked great for 2 days then started dying. I looks like something in the gauge itself. It keeps going dark and resetting itself. Checked my power going to the gauge and it is solid. Problem is in the gauge itself. Poorly made perhaps.It did help me id a over rich condition on my car, so it wasn't a complete loss. I leaned out the jets and my car is running better than ever.It was easy to install and when it works...it was great. I do wish it had lasted long enough to remain in my dash so I could ID issues as they arise with fuel delivery.
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