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Product # 4375

  • 2-1/16" (52.4mm)
  • Digital Digital
  • LED Segments
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Running too lean while enjoying spirited driving in your vehicle is one of the leading causes of expensive engine damage. AutoMeter’s Narrowband Air/Fuel Gauges pair with older Oxygen Sensors to warn of lean burn conditions under heavy engine load. Connects directly to the factory O2 sensor on many applications, or uses the AutoMeter 2244 Narrowband O2 sensor. Not compatible with 5 wire air/fuel sensors.

Feature Points

  • Compatible with factory narrowband O2 sensors (0-1V)
  • May require model 2244 if the vehicle does not have a factory narrowband primary O2 sensor
  • Features LED radial bar graph display (gauge does not have provision for backlight)
  • Will not work with wideband O2 sensors (0-5V) - please check your specific application before purchase

Mounting Hardware

  • 2230
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 Is auto meter air fuel ratio ultra elite Nero burn or.  Wide ban

Asked by: CRAZY Robert
Hello, Thank you for your question. Per our product description this is a narrowband.
Answered by: Steve from AutoMeter
Date published: 2019-10-08

Which air fuel ratio gauge is good for 1996 F150 5.0?

Asked by: Blake1014
Thank you for your question. In general, wideband gauges are better than narrow band gauges. If you do not already have a narrowband sensor installed, we would recommend investing in a wideband sensor and gauge. Choosing the best wideband for your application can vary so I recommend reaching out to our support team so they can get some more information before giving their recommendations. You can contact them at 866.248.6357 or https://www.autometer.com/contacts
Answered by: Zach from AutoMeter
Date published: 2019-06-25

Will this work with a 2008 wrx?

Asked by: Aidan Scott
Thank you for your question. No, this will not work and you will need to install a narrowband sensor kit. Since you will need to install a sensor anyway, I would recommend just using a wideband gauge instead.
Answered by: Zach from AutoMeter
Date published: 2019-02-26

I have a 2013 Chrysler 200 3.6 need to know signal wire color on o2 sensor so I can hook up my gauge please help

Asked by: Kex316
Thank you for your question. For installation and tech support, please call our tech support team at 866.248.6357
Answered by: Zach from AutoMeter
Date published: 2018-10-24

Will the narrow band work with my existing o2 sensor on a 04 dodge srt4 neon

Asked by: tcorey
Thank you for the question. The information we have indicates that beginning in 2003 the Dodge Neon actually went to a 0-5V Wideband style sensor, in which case the 4375 Narrowband would not work off the factory Neon sender. You could install a narrowband sensor, but in that case you may want to consider a full wideband sensor and gauge installation.
Answered by: Matt from AutoMeter
Date published: 2018-08-14

 I’m looking for the right wiring harness for 2010 genesis coupe 2 L turbo to work with NARROWBAND AIR/FUEL RATIO, LEAN-RICH, ULTRA-LITE #4375

Asked by: Mr.Mark
Hi Mark, thank you so much for contacting us. While I'm unaware of anyone making a model specific harness for the 2010 Genesis, on turbo models you can tee onto the the yellow wire at pin 38 of the ECU to get a signal. With that said, you will be much better served on your vehicle integrating a wideband air/fuel gauge. While the narrowband can serve as a warning for lean conditions under WOT, they aren't very useful as a tuning tool or to observe AFRs under all driving conditions. All of our widebands include both the wideband sender and harness. Here's a selection to check out: https://www.autometer.com/catalogsearch/result/?q=wideband+ratio+gauge#1&profile=products Hope this helps!
Answered by: Joseph Mills
Date published: 2018-03-20

What are the afr readings at each light example would 14.7 be the 10th light reading from left to right

Asked by: Clif
Hi Clif, thank you so much for the question. Due to the limitations of a narrowband sensor, there's no way to pinpoint a specific LED to a specific A/F, nor would the gauge ever stay at a specific point. The last page of the instructions here will explain how it works in more detail: https://www.autometer.com/media/manual/2650-1163.pdf For a specific, actual A/F reading, you'd have to go with a Wideband gauge like this model 4379: https://www.autometer.com/2-1-16-wideband-a-f-street-ultra-lite.html
Answered by: Matt from AutoMeter
Date published: 2018-01-29

would this work on my car honda prelude 97 with h22a engine ? lol

Asked by: Kiko
Hi there, thanks for the question! Yes, your '97 Prelude should still have a narrowband O2 sensor which is what's required to run this Air/Fuel Ratio.
Answered by: Matt from AutoMeter
Date published: 2018-01-10
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