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air fuel ratio gauge, oxygen sensor? 

 

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 Post subject: air fuel ratio gauge, oxygen sensor?
Posted: Sun Aug 14, 2011 3:11 pm 
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ok im looking at fitting a air-fuel ratio gauge in, i already have a spot for it (currently filled with a oil pressure gauge :lol: ). ive heard a wide band oxygen sensor is needed to make the gauge function properly. just wondering if this is just a simple plug in sensor that won't stuff up anything else... eg. the standard tune on the car. also if anyone knows the part number/style of sensor i need would be great.
thanks

 

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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Sun Aug 14, 2011 3:28 pm 
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no it shouldnt do anything just make sure you weld the bung after the factory sensor or the opposite side of the collector is the best place
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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Sun Aug 14, 2011 6:40 pm 
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it depends on the type of afr gauge your using, if its a std type of gauge you can tap into the factory 02 sensor, but if you are going with a proper wideband set up, you will need to get another 02 sensor bung welded into your exhaust
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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Sun Aug 14, 2011 7:40 pm 
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I think if you had bough a wide band meter it would have come with the needed sensor and mounting bung.

If it's just a rich-stoich-lean type gauge then any 0-1v sensor should work and you can tap into the cars stock sensor.

 

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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Mon Aug 15, 2011 1:30 pm 
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im guessing theirs no way of just changing the factory sensor to a wide band? because i really don't want to have to get holes drilled in the exhaust just for a gauge. and yes i would be going wide band as from what ive heard narrow band gauges just jump all over the place

 

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Visual mods: 19" rim, lower grill mesh, oil pressure and vacuum gauges, engine bay lighting, foot well lights
some of my main mods

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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Mon Aug 15, 2011 1:42 pm 
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Just buy an Innovate LC-1, or MTX-L. They fit right where the stock sensor goes, you then just hook up the controller (I have the LC-1, you need to supply it power - it outputs two analogue signals, one to simulate the narrowband that hooks up to the stock narrowband signal and another signal that can be programmed for whatever your guage needs).

The MTX-L goes one step further in that it actually has a guage with the controller built in, this would make it even easier (about the same price too).

Thanks, Thomas.

 

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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Mon Aug 15, 2011 1:57 pm 
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its not the gauge that causes the jumping all over the place its the narrow voltage range the 02 operates at, when the afr gauge jumps up and down its showing that the ecu is changing and reading the signal in closed loop mode, but on full throttle the narrow band will read a stable reading, i have a narrow band gauge running of a bosch 4 wire lsm2 sensor and it works fine but im not running the std ecu..
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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Fri Apr 26, 2013 10:25 pm 
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TROYMAN wrote:
its not the gauge that causes the jumping all over the place its the narrow voltage range the 02 operates at, when the afr gauge jumps up and down its showing that the ecu is changing and reading the signal in closed loop mode, but on full throttle the narrow band will read a stable reading, i have a narrow band gauge running of a bosch 4 wire lsm2 sensor and it works fine but im not running the std ecu..


Just a bit of food for thought

If someone has a cheap air fuel gauge

Could they run a new bung hole into there exhaust system and use a OEM wide band sensor , e,g i have heard the VT-VZ LS1 commodore 02 sensor is a wide band set up

While retaining the stock 02 sensor for the factory ECU

Any thoughts ?
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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Sat Apr 27, 2013 12:06 am 
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EF_wanabe wrote:
TROYMAN wrote:
its not the gauge that causes the jumping all over the place its the narrow voltage range the 02 operates at, when the afr gauge jumps up and down its showing that the ecu is changing and reading the signal in closed loop mode, but on full throttle the narrow band will read a stable reading, i have a narrow band gauge running of a bosch 4 wire lsm2 sensor and it works fine but im not running the std ecu..


Just a bit of food for thought

If someone has a cheap air fuel gauge

Could they run a new bung hole into there exhaust system and use a OEM wide band sensor , e,g i have heard the VT-VZ LS1 commodore 02 sensor is a wide band set up

While retaining the stock 02 sensor for the factory ECU

Any thoughts ?


yes you can
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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Sat Apr 27, 2013 1:23 am 
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When I bought a wideband kit for my car, I was told the sensor only lasts about 100 hours.. I only use it when I'm actually tuning my car.

 

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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Sat Apr 27, 2013 9:35 pm 
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TROYMAN wrote:
EF_wanabe wrote:
TROYMAN wrote:
its not the gauge that causes the jumping all over the place its the narrow voltage range the 02 operates at, when the afr gauge jumps up and down its showing that the ecu is changing and reading the signal in closed loop mode, but on full throttle the narrow band will read a stable reading, i have a narrow band gauge running of a bosch 4 wire lsm2 sensor and it works fine but im not running the std ecu..


Just a bit of food for thought

If someone has a cheap air fuel gauge

Could they run a new bung hole into there exhaust system and use a OEM wide band sensor , e,g i have heard the VT-VZ LS1 commodore 02 sensor is a wide band set up

While retaining the stock 02 sensor for the factory ECU

Any thoughts ?


yes you can


Nice sounds awesome so this will make the cheap gauge read a little more "accurate" ?

now would anyone have any suggestions which oem sensors would be best to use
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 Post subject: Re: air fuel ratio gauge, oxygen sensor?
Posted: Sun Apr 28, 2013 10:08 am 
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TyLeR3397 wrote:
When I bought a wideband kit for my car, I was told the sensor only lasts about 100 hours.. I only use it when I'm actually tuning my car.


I have had my wideband O2 sensor in for way more than 100 hrs.....I have it as a permanent fixure, and I use it as a tuning tool too.
Mine is an Innovate Motorsport branded one, an LC-1......cost me $300.....and I installed it myself.
The AFR indicator is near the clock.

 

 

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