Cobalt SS Network
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Cobalt SS Network (https://www.cobaltss.net/forums/)
-   Tuning (https://www.cobaltss.net/forums/tuning-131/)
-   -   Wideband installation (https://www.cobaltss.net/forums/tuning-131/wideband-installation-57377/)

ItalianJoe1 06-03-2007 01:17 PM
Originally Posted by AjSS (Post 1096868)
Yea, is there some way to take care of that with HP Tuners?
I don't know about that, but you can configure some widebands, like the LC-1, to also output a narrowband signal to your PCM so you can use the same sensor for both. Check the HP Tuners forums to see if anyone has a method for bypassing the first O2. The car uses it for fuel trim, so it has to be there. The second one is pretty easy to remove, its not critical. The first one not so much.

AjSS 06-03-2007 07:59 PM
Oh, ok then. Thanks!

Doc 06-03-2007 08:11 PM
Originally Posted by AjSS (Post 1091543)
Is there a way to disable the first O2 sensor with HP Tuners, and just use that bung for a wideband? I just got my NGK wideband today, and dont want to have an extra bung. Im going to go aftermarket eventually anyway.
Originally Posted by AjSS (Post 1093842)
If I just disabled the CEL that would come up when there was no O2 sensor, and put my wideband in that bung, will it cause trouble?
A word of advice, the first O2 sensor is used for the computer to read the afr, its a rough one, but it's needed for the correct operation. I believe the NGK also has a narrowband output like the LC-1 has. Hopefully, otherwise you'll have to get another bung welded in pre-cat for the wideband.

AjSS 06-03-2007 08:34 PM
Originally Posted by Doc (Post 1098338)
A word of advice, the first O2 sensor is used for the computer to read the afr, its a rough one, but it's needed for the correct operation. I believe the NGK also has a narrowband output like the LC-1 has. Hopefully, otherwise you'll have to get another bung welded in pre-cat for the wideband.
The NGK only has a 5v analog output for my HP Tuners. I will probably just get a catless downpipe, and use the second bung. Thanks!

BennyHHR 06-03-2007 10:43 PM
Yeh, the NGK is only 0-5V.

Why not just get another bung welded in before the cat (where it should be). If you don't want to run it all the time, most come with a plug. Most shops should do it pretty cheap.

Hey, DOC!! You're on the wrong coast! Gotta get back to the "right" coast soon, man!


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