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Old 02-18-2015, 02:53 PM   #1
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Do you need o2 sensors?

If you are catless and you turn the rears off what is the point of the front ones?

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Old 02-18-2015, 03:13 PM   #2
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Do you need o2 sensors?

Ok a question to ask is what does a O2 sensor do? One answer is not known to a lot of people...
Your engine uses O2 sensors to monitor the oxygen exciting your engine. This is one way the computer monitors the air/fuel mixture. Too much oxygen exiting the engine, is running rich; too little engine is running lean. The computer will adjust the air/fuel mixture in the compression stroke of the engine. If the adjustment doesn't fix the issue your computer will set off a DTC...
In other words, O2 sensors help your engine run better...


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Old 02-18-2015, 03:17 PM   #3
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Ok a question to ask is what does a O2 sensor do? One answer is not known to a lot of people...
Your engine uses O2 sensors to monitor the oxygen exciting your engine. This is one way the computer monitors the air/fuel mixture. Too much oxygen exiting the engine, is running rich; too little engine is running lean. The computer will adjust the air/fuel mixture in the compression stroke of the engine. If the adjustment doesn't fix the issue your computer will set off a DTC...
In other words, O2 sensors help your engine run better...


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I was pretty sure the front ones were used for afr but wasn't sure. The o2 sensor,extensions that came with the headers don't match up

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Old 02-18-2015, 03:21 PM   #4
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Wire extensions and wire soldering...
Problem solved...


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Old 02-18-2015, 03:27 PM   #5
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Wire extensions and wire soldering...
Problem solved...


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He said he has tried that Before and whenever some moisture gets in there things go to crap. I told him just to secure them in place and I will,figure it out. I feel like their is a simple solution he is missing lol

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Old 02-18-2015, 03:30 PM   #6
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The process he's missing is heat shrinking...


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Old 02-18-2015, 03:34 PM   #7
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I was referring to,the actual plugging in of the extensions lol

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Old 02-18-2015, 03:41 PM   #8
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Not understanding what you're saying...


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Old 02-18-2015, 03:42 PM   #9
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Not understanding what you're saying...


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Sorry I wasn't talking about splicing anymore. I think all he has to do is remove an extra prong since they are for like 90-09 or something like that

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Old 02-18-2015, 03:48 PM   #10
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Ok, yeah, I think he'll figure it out...


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Old 02-18-2015, 03:49 PM   #11
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Ok, yeah, I think he'll figure it out...


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It might not even get done today, starting to get frustrated

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Old 02-18-2015, 03:53 PM   #12
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Definitely understandable... And you know you are to post a video of the finished product. It's mandatory...


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Old 02-19-2015, 10:21 AM   #13
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Basic chemistry. Too little O2 in the exhaust means you're running too rich, i.e. enough fuel to use up all or more of the O2 than expected for proper stoichiometry. Too much O2 in the exhaust means you're running too lean. In this case there's too much O2 left over because there wasn't enough fuel injected to consume it at the expected rate.
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Old 02-22-2015, 07:55 PM   #14
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Fronts are narrow band sensors (AFR related) // wide bands for 2011+
Rears check if cats are functioning properly or improperly.

I think*
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Old 02-22-2015, 07:59 PM   #15
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Originally Posted by 2 Stangz View Post
Fronts are narrow band sensors (AFR related) // wide bands for 2011+
Rears check if cats are functioning properly or improperly.

I think*

Yep


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Old 02-22-2015, 10:15 PM   #16
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Oh forgot about this thread. We had to modify the o2 extension plug a bit to make it work. All is well now

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Old 02-22-2015, 10:31 PM   #17
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Do you need o2 sensors?

Yea I just saw I had the rich and lean backwards...
Thinking faster than you're typing...

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