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I'm interested in 2010 on up bikes. Did you start out with the basic PV tuner then upgrade to the wide band auto tuner? If so do you leave the stock narrow band sensors attached and just add the wide bands to the bigger bungs? or do you unhook the narrow band sensors and they could be removed and plugged if desired?

I'm running a D&D Fat Cat 2009 style pipe with a PC-V large bungs plugged. I'm switching exhaust to a Fullsac "C" x-pipe with dual o2 bungs. I'd like to buy a PV tuner and go back to using the stock O2 sensors. However if I lose to much torque or top end I may want to switch back but I'd like to keep using the PV.

Will the PV run with just the wide band sensors from a AT-100 auto tuner? Or do the narrow band sensors have to be hooked up also? If so I'd have to get a new Fat cat or have the bungs welded in down by the transmission.

I'm new to tuners and a dumb ass on top of that. Sorry for the long post.
 

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The Powervision will work with either sensors or both with the adaptor available from Dynojet. The stock narrow band O2 sensors only allow a small correction window, hence the "narrow band" name.
 

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The canned maps from Fuel Moto or Dynojet are close enough for the narrow band sensors and basic auto tune that comes with the PV, provided you have installed relatively common choices for your A/C and pipes. Fuel Moto sent me a canned map with my PV and it was nearly dead-on. I took one run with AT enabled, accepted the learned trims, flashed the ECM, and that was it. Now, if you also have some engine work done on your bike, then I would recommend upgrading to the AT Pro and wide band sensors.
 
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