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My ls1 is ready for a tune but i have a quick question...

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Old 08-04-2011, 11:36 PM
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Default My ls1 is ready for a tune but i have a quick question...

So i installed LT's but currently not running O2 sensors.

I was wondering whether or not its possible to tune out O2 sensors and still run well without them without "check engine" light? With a proper tune of course

And i did order o2 extensions but they are poor quality and dont fit my car, so i just decided on running full exhaust without o2's
Old 08-04-2011, 11:46 PM
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Youll need atleast the first two for sure. They are the ones that tell your air/fuel ratio. You can delete the two after the cat but not before.
Old 08-04-2011, 11:50 PM
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Originally Posted by parks450
Youll need atleast the first two for sure. They are the ones that tell your air/fuel ratio. You can delete the two after the cat but not before.
This.

Ditch the rears, they do nothing but monitor cat performance. You don't need them, and they don't effect driveability one way or the other. Custom tuning will take care of the SES.

On the other hand, you're going to want to keep the front O2s.
Old 08-04-2011, 11:55 PM
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+1 on just the rears delete.
Old 08-05-2011, 02:06 AM
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Originally Posted by RPM WS6
This.

On the other hand, you're going to want to keep the front O2s.
this is what i was afraid of I guess i have to hook them back up




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