o2 sensor help

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nissan_4_life
Posts: 27
Joined: Thu Jan 03, 2008 4:56 am
Car: 2006 nissan sentra 1.8s

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a friend of mine told me about a way to cheat out the o2 sensor by finding out the resistor level has anyone heard of this i fso how does it work


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PacoBJuarez
Posts: 127
Joined: Mon Jan 07, 2008 11:37 pm
Car: 2002 Sentra SE-R Spec-V

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I'm not sure exactly what you mean. Why would you need to cheat the o2 sensor? Are you getting a CEL?

nissan_4_life
Posts: 27
Joined: Thu Jan 03, 2008 4:56 am
Car: 2006 nissan sentra 1.8s

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for exact fuel air mixture

nametakennow
Posts: 10024
Joined: Sat Aug 24, 2002 4:14 pm
Car: '06 MINI Cooper S

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So you're trying to determine your fuel mixture by tapping the first O2?

Or, are you trying to make the second O2 read clean when it's not?

If you're tapping the first sensor's signal, you simply need to connect your gauge to the non-power wire (red is power, black is ground, usually the signal is white).

If you're trying to make the second read clean, you have to put a resistor in that's at the same resistance as the clean signal would be. I have no clue what that resistance is. The easier ways to make it read clean are to put in a spark plug defouler OR move the sensor behind the cat, if you still have it.

Search if you need more instructions on how to do the defouler trick. I know I posted it at some point.

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NismoB13
Posts: 482
Joined: Sun Aug 05, 2007 2:28 pm
Car: 1994 Nissan Sentra SE-R
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I don't know why you want to do this, but there isn't any performance gains from removing a O2 sensor signal. I actually don't any point at all in doing it so why?


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