O2 sensor eliminator question
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Tourer
Joined: May 2007
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From: Oklahoma City
O2 sensor eliminator question
Looking at a PC III and notice that it includes a Dynojet O2 sensor eliminator. What exactly does this do and why? I want to have an exhaust system custom built but was worried about the O2 sensors. Will this eliminate that problem? Want to make my bike run better not worse.
Elite HDF Member
Joined: Aug 2007
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RE: O2 sensor eliminator question
It does exactly what it says - eliminates the O2 sensors from the EFI loop and still allows you to tune your bike for the setup you have. Jakeiniraq has a lowrider with big radius pipes that were dealer installed. They plugged the holes for the O2 sensors when they did the install. He has a PCIII and obviously has the O2 eliminator option and, as far as I know, his bike runs great.
Elite HDF Member
Joined: Aug 2007
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RE: O2 sensor eliminator question
ORIGINAL: hmmr
what's the benefit of eliminating the o2 sensors from the closed-loop system?
what's the benefit of eliminating the o2 sensors from the closed-loop system?
Banned
Joined: Jan 2008
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RE: O2 sensor eliminator question
i've wondered about that. why not have holes drilled for them instead of removing them from the equation and then fooling the system and compensating with an aftermarket tuner rig that tells the computer they are there?
i've only read good things about the delphi system,
just chatting. interesting topic.
i've only read good things about the delphi system,
just chatting. interesting topic.
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Tourer
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RE: O2 sensor eliminator question
when i recently researched/purchased the exhaust for my scootie a big priority was they had to have the o2 bungs
i think the true closed loop system is a great advance for this motor!
i think the true closed loop system is a great advance for this motor!
Road Master
Joined: Jan 2007
Posts: 971
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From: Mid USA
RE: O2 sensor eliminator question
The stock ECM looks for a signal from the o2 sensors, if it does not receive that signal it will throw an error code and the bike will not run well at all. The o2 eliminators provide that signal and the ECM thinks that all is wonderful with in the little world that it rules. The PC III can then modify the ECMs signals to its hearts content and manage the engine control according to the map that you have loaded in to the PC III. I can certainly be wrong but I am under the impression that the current Delphi system on the Harleys is not a true closed loop system, I think that it is a partial closed loop system that goes closed loop only under certain conditions. The rest of the time it operates in open loop.
Arcane
Arcane