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can you by-pass an o2 sensor

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Old 08-12-2007, 10:36 AM
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Default can you by-pass an o2 sensor

dont they read omhs.... could you not wire in a resistor or somethin
Old 08-12-2007, 10:44 AM
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There are plenty of ways (none of them fool-proof) to bypass O2 sensors. Two of the most popular options are a drilled out spark plug non-fouler (called a spoof) and an electronic O2 sensor "simulator".
Old 08-12-2007, 10:53 AM
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Default Re: (Eran)

where would i get that stuff and how would you do it. i dont really get what your sayin
Old 08-12-2007, 11:32 AM
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Default Re: (98exturd)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 98exturd &raquo;</TD></TR><TR><TD CLASS="quote">where would i get that stuff and how would you do it. i dont really get what your sayin
</TD></TR></TABLE>

O2 simulators are resistor packs that you wire into your O2 harness. Search eBay for "o2 simulator".
Old 08-16-2007, 08:44 AM
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Default Re: (Eran)

but how can this work for the primary o2 sensor.
and how do u wire it up
Old 08-16-2007, 08:58 AM
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Default Re: (hatch96y7)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hatch96y7 &raquo;</TD></TR><TR><TD CLASS="quote">but how can this work for the primary o2 sensor.
and how do u wire it up</TD></TR></TABLE>

Just like it would work for any other spark plug.

Any simulator kit you buy should come with instructions.

It's plug and play usually. The fouler is by far the easiest, it's basically there to gap the o2 sensor so it gets less exhaust readings.
Old 08-16-2007, 08:58 AM
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Default Re: can you by-pass an o2 sensor (98exturd)

The only thing you can use to bypass the primary O2 sensor is a wideband sensor/controller that has a narrow band 'simulated' output.
Old 08-16-2007, 09:55 AM
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Default Re: (hatch96y7)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hatch96y7 &raquo;</TD></TR><TR><TD CLASS="quote">but how can this work for the primary o2 sensor.
and how do u wire it up</TD></TR></TABLE>

It can't, as EE_Chris stated.

You can tune the setup to always run open loop, but why are you looking to bypass the sensor in the first place?
Old 08-16-2007, 11:08 AM
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Default Re: (Padawan)

because my harness is fucked up and i cant find the connector for the primary o2 sensor.
and the cat i have doesnt have a 02 sensor hole.
i am running a dx 96 ek wth a obd2a gsr on a p72
i think i have a vx or hx harness so i am lost i have one o2 sensor plug.
i have an extended harness going to the bottom of the header but i am throwing a code for my primary o2 sensor.
so i am thinking i have the secndary o2 sensor hooked up.
Old 08-16-2007, 01:03 PM
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Default Re: (hatch96y7)

bump
Old 08-16-2007, 01:06 PM
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Default Re: (hatch96y7)

You need to properly wire up the O2 sensor, or tune the car to run in open loop. There are only two options.
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