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Old 03-31-2015, 12:41 AM
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Default 02 sensors

The sensor before the catalytic converter isn't an issue I don't think, but the one after is going to trigger my SES light when I remove my catalytic converter. How would I go about fixing that issue to get the light to go off?
Old 03-31-2015, 12:53 AM
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O2 simulators or a tune.
Old 03-31-2015, 01:20 AM
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Originally Posted by MC Ray
O2 simulators or a tune.
How much are the simulators? And how would I go about tuning the sensor out? Maybe that's a stupid question but I'm not all that familiar with tuning.
Old 03-31-2015, 01:36 AM
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About $100 for sims. You could have a mail order tune done where you ship your PCM away and they recalibrate and send it back. And you could repin the O2 wires at the PCM to use your rear harness for front sensors if going with headers, as shown here:https://ls1tech.com/forums/generation-iii-external-engine/1425078-lt-header-guys-no-more-extensions-corvette-o2s.html

Last edited by MC Ray; 03-31-2015 at 11:46 AM.
Old 03-31-2015, 01:52 AM
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Originally Posted by MC Ray
About $100 for sims. You could have a mail order tune done where you ship your PCM away and they recalibrate and send it back. Or you could repin the O2 wires at the PCM to use your rear harness for front sensors, as shown here:https://ls1tech.com/forums/generatio...vette-o2s.html
Awesome! Thanks. I would've never found that post thatll def save me some money too.
Old 03-31-2015, 11:48 AM
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That will help if going with headers to extend the reach of the front sensors. You will still need sims or a tune when deleting the rear O2s.



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