2005 V6 Air/fuel guage install. - Ford Mustang Forum
 
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post #1 of 5 (permalink) Old 11-16-2014 Thread Starter
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2005 V6 Air/fuel guage install.

Gentleman, imy currently installing a Air fuel guage as a result of a recently supercharged 2005 V6. The instructions say, splice into the O2 Sensor wire via the Engine PCM. Unfortunately, I have no idea which wire it is, or what color. I also assume it's the computer on the engine bay on the passengers side. I need guidence. Please help.

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post #2 of 5 (permalink) Old 11-16-2014
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As I said on your other post - get rid of the narrow band because it is just a nice little light show.

With the supercharger you want to know what your AFR is - and for that you need a wideband so you can monitor things. The wide band is a little more for cost, but don't cheap out and damage your engine.


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post #3 of 5 (permalink) Old 11-17-2014 Thread Starter
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Yeah the first post is A result from thst new system on the form. I find it very difficult to navigate. But I digress.
So basically, the $70 Autometer I bought is good for absolutely nothing? Why is it even on the shelf then ? It can't be completely useless. For me, $70 is alot of money.
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post #4 of 5 (permalink) Old 11-17-2014
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Originally Posted by JimC View Post

As I said on your other post - get rid of the narrow band because it is just a nice little light show.

With the supercharger you want to know what your AFR is - and for that you need a wideband so you can monitor things. The wide band is a little more for cost, but don't cheap out and damage your engine.
+1 Grab a wideband and have it done right.

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post #5 of 5 (permalink) Old 11-18-2014
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The narrow band will give you a lambda reading for your air fuel mix. You have to do some math to figure out your air fuel ratio. Multiply. Your lambda reading by 14.7 and you get your air fuel ratio. The gauge isn't useless, it's just easier with the wideband gauge.

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