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[fl1996nos]

Hi all, I have a 2005 SEEG2 with A/C, V & H true dual pipes, SE-204 cams and SERT. I would like to add the o2 sensors for closed loop operation. However, I ran the TTS upgrade qualifier to upgrade my SERT and it failed. I would like to know if I added th o2 sensors and loaded a level 176 SERT map would i be able to use Mytune or Twin Scan software to generate the new VE values. Thanks in advance for any replies.

[Unbalanced]

I would try the WEGO and Twinscan from daytona Twin Tec, with the widebands I am able to tune my 02 and 04's.    You will use the widebands to do it.   Works great btw.

[fl1996nos]

Thanks for the reply Unbalanced. Would I be able to use the TS II with the level 176 SERT map and then install the NB sensors afterward for closed loop operation?

[hd-dude]

I added the NB O2 sensors to my 05 and used a map for a 07+ model (I don't remember what the calibration level was), and used the TTS to tune, Works very well 

[fl1996nos]

Thanks HD-Dude. I already have a SERT but it is not upgradeable to TTS. So for the sake of not having to purchase a whole new tuner I was wondering if I could use the method in the original post. Thanks.

[Midnight Rider]

I added the NB O2 sensors to my 05 and used a map for a 07+ model (I don't remember what the calibration level was), and used the TTS to tune, Works very well 

Did you change out the ECM to a newer version?  Or does the '05 ECM have the ability to "read" the O2 sensors?

[fl1996nos]

I beleive the 05 ECM is compatible for NB o2 operation contingent upon the map used. Thanks.

[Midnight Rider]

Learn something every day...

[Unbalanced]

question is does he have an 04 or an 05 ecm.   My 05 ECM worked with the NB's.   

[hd-dude]

The 05 and up ECM has the harware to support the sensors, 04 did not