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Author Topic: SERT and 02 sensors  (Read 1521 times)

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Beak Boater

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SERT and 02 sensors
« on: October 15, 2013, 10:05:02 AM »
2010 FLHXSE 110. Trouble Codes po134 and po 154. When motor is tuned with a SERT are the 02 sensors deactivated? I know they are with a PC-V but thought they still worked when tuned with a SERT?
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hrdtail78

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Re: SERT and 02 sensors
« Reply #1 on: October 15, 2013, 10:45:04 AM »
I would find out what is really tuned with.  HD hasn't sold SERT's for awhile.  .....but it can be tuned either way.  If the AFR table is set up to run complete open loop.  You will not get the trouble codes you have.

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05Train

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Re: SERT and 02 sensors
« Reply #2 on: October 15, 2013, 11:07:17 AM »
Quote from: hrdtail78 on October 15, 2013, 10:45:04 AM
I would find out what is really tuned with.  HD hasn't sold SERT's for awhile.  .....but it can be tuned either way.  If the AFR table is set up to run complete open loop.  You will not get the trouble codes you have.


This.

I also know that several local dealers disable the O2 sensors when they tune, as they keep everything in open loop.
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Steve Cole

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Re: SERT and 02 sensors
« Reply #3 on: October 15, 2013, 11:19:22 AM »
Setting the calibration in Open loop is what tuners do, but they cannot disable the O2 sensors. It is possible that with them in Open loop in some case that the codes could still get set but I do not know for sure as I've never spent the time to check that out.
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