Wideband o2 sensor question.

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Old Oct 8, 2004 | 02:54 PM
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Default Wideband o2 sensor question.

Question: Is there any specifications of how far to mount the wideband o2 sensor so it reads very accurate readings? Is there any precautions to say like setting it too close to the turbo or the manifold?
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Old Oct 8, 2004 | 03:45 PM
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bump for answers
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Old Oct 8, 2004 | 10:49 PM
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bump no answers?
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Old Oct 8, 2004 | 11:01 PM
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Default Re: (evilcivilian)

prior to the cat, but at least 18" from the turbine discharge is usualy the norm.
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Old Oct 9, 2004 | 12:02 AM
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Default Re: (grndcont)

Most people will mount it a bit after the first bend in the downpipe.
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Old Oct 9, 2004 | 12:47 AM
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Default Re: (Lucky_Smurf)

3-5" away from the turbo.
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Old Oct 9, 2004 | 06:23 AM
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Default Re: Wideband o2 sensor question. (evilcivilian)

The spec sheet for the Bosch LSU4 sensor, which is what 90% of the wideband
kits come with these days, specify to mount it at least 12", but 18" is optimal.
These sensors get there accuracy by being kept at a precise temperature.
If you have excess heat from the exhaust screwing things up, its harder for the
controller to keep it stable.
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Old Oct 9, 2004 | 09:50 AM
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thanks for the replys! got the answers i needed
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Old Dec 6, 2004 | 05:15 PM
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Default Re: (evilcivilian)

In the aem instructions it says to mount it 36 inches below exhaust port, which on my drag 3 downpipe would be longer then the downpipe. Where do you mount this on turbocharged cars?
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Old Dec 8, 2004 | 12:04 AM
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Default Re: (TurboTeG4)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TurboTeG4 &raquo;</TD></TR><TR><TD CLASS="quote">In the aem instructions it says to mount it 36 inches below exhaust port, which on my drag 3 downpipe would be longer then the downpipe. Where do you mount this on turbocharged cars?</TD></TR></TABLE>
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Old Dec 13, 2004 | 05:59 PM
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Default Re: (TurboTeG4)

If I mount it on my downpipe next to the stock bung is it ok?
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Old Dec 13, 2004 | 06:08 PM
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Default Re: (TurboTeG4)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TurboTeG4 &raquo;</TD></TR><TR><TD CLASS="quote">In the aem instructions it says to mount it 36 inches below exhaust port, which on my drag 3 downpipe would be longer then the downpipe. Where do you mount this on turbocharged cars?</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rioninja &raquo;</TD></TR><TR><TD CLASS="quote">The spec sheet for the Bosch LSU4 sensor, which is what 90% of the wideband
kits come with these days, specify to mount it at least 12", but 18" is optimal.
These sensors get there accuracy by being kept at a precise temperature.
If you have excess heat from the exhaust screwing things up, its harder for the
controller to keep it stable. </TD></TR></TABLE>

It doesnt matter if you are turbo or NA...this is the recommendation.
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