# WTB: Air Fuel Ratio Gauge

**URL:** https://forums.speedlife.net/t/wtb-air-fuel-ratio-gauge/44482
**Category:** Classifieds
**Created:** [March 5, 2008, 10:17am UTC](https://forums.speedlife.net/t/wtb-air-fuel-ratio-gauge/44482 "2008-03-05T10:17:39Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![Nikuk](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nikuk/32/7254_2.png) [@Nikuk](https://forums.speedlife.net/u/Nikuk)
#### Post date: [March 5, 2008, 11:21am UTC](https://forums.speedlife.net/t/wtb-air-fuel-ratio-gauge/44482/8 "2008-03-05T11:21:56Z")

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> [@xflashxsci](#):
>
> umm… looking for the kind that looks like this …
> 
> yeah the kind that would fit in a single a-pillar mount, its for a subaru, if that helps on the 0-1v or 0-5v, cause i have no clue what the hell that mean…
> 
> flame me if you want whatever, im just in search of one… and pics will help me decide if i want to buy it or not … thank you

Are you using the stock O2 sensor?  
or  
Are you using an aftermarket wideband?

The cheapest Wideband (0-5v) gauge will be ~$100 new… for just a gauge.

The cheapest Narrow band (0-1v) gauge will be ~30 new.

NB gauge won’t be a waste persay… it simply won’t accomplish anything by having one.

WB is a worthy investment while you’re tuning the car.

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