What to do with o2 sensor
Seasoned HDF Member
Joined: Oct 2007
Posts: 56,052
Likes: 88,348
From: Western South Dakota
I believe that you want them plugged. Your PC-V kit should come with the dummy plugs, right? When implimenting the PC-V you are basically opting not to use the o2 sensors anymore and relying on the canned map of the PC-V, and not the o2 sensors anymore.
If you plug your o2 sensors back in then you're not iimplimenting your PC-V the way it was supposed to be and I do not know what you would be gaining by plugging them back in, not much of anything would be my guess. In fact I would think that you may be doing more harm than good by plugging them back in. Call Jamie at F/M. I'm pretty sure he'll be telling you the same thing.
If you plug your o2 sensors back in then you're not iimplimenting your PC-V the way it was supposed to be and I do not know what you would be gaining by plugging them back in, not much of anything would be my guess. In fact I would think that you may be doing more harm than good by plugging them back in. Call Jamie at F/M. I'm pretty sure he'll be telling you the same thing.
Road Master
Joined: Feb 2010
Posts: 880
Likes: 0
From: Houston, Texas
I've got a PC5 and I just cut the wires on the old sensors and used them as plugs for my Samson pipes, since the pipes didn't come with plugs. Had I known that I would have bought plugs, but using the old ones is just a poor mans way of plugging the 02 for cheap.
Road Master
Joined: Jun 2009
Posts: 1,126
Likes: 2
From: PA
mine are still hanging there, but I'll be taking them off and putting in dummy plugs before riding season. I'll be saving them on the off chance that I sell the bike or trade it in and need to put the stock hardware back on when/if I do.
Intermediate
Joined: Jan 2009
Posts: 40
Likes: 0
same setup
I have the same setup...Rush slip-ons, PCV and new a/c. I left mine in as we have some b*t*h in government right now trying to get a law passed to smog bikes.
Left the O2 sensors in so if by some slim chance the law does pass I can easily convert back to stock with little effort.
Left the O2 sensors in so if by some slim chance the law does pass I can easily convert back to stock with little effort.
Road Master
Joined: Feb 2010
Posts: 880
Likes: 0
From: Houston, Texas
Got a buddy that's a Harley mechanic, he said that the stock O2 sensors do more harm than good if you leave them plugged in. He said to plug them off and use the canned map for the PC5. He told me that most bikes run like crap if you leave em in. he also said it's no big deal to use the old O2 sensors as dummy plugs if your exhaust system didn't come with plugs.
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