PC III problems
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Joined: Jun 2006
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PC III problems
I'm trying to use a PC III from my 04 Ultra on my new 07 Ultra. I added the 2 O2 Sensor eliminators and tried 2 new maps - one from Fuelmoto and one from PowerCommander. Also have a Stage 1 breather and V&H slip-ons.
Both cause harder starting and a lot of exhaust pop on decel. And neither improve the bike's performance.
This unit really lit up my 04 Ultra so what am I doing wrong here?
Fuelmoto says the PC III should work just as well as a PC-V and suggested upgrading the firmware in the PC III.
Any suggestions or should I try a different tuner/ECm aotogether?
Frustrated,
r0ckie
Both cause harder starting and a lot of exhaust pop on decel. And neither improve the bike's performance.
This unit really lit up my 04 Ultra so what am I doing wrong here?
Fuelmoto says the PC III should work just as well as a PC-V and suggested upgrading the firmware in the PC III.
Any suggestions or should I try a different tuner/ECm aotogether?
Frustrated,
r0ckie
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Joined: Oct 2007
Posts: 18
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Joined: May 2006
Posts: 80
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I'm trying to use a PC III from my 04 Ultra on my new 07 Ultra. I added the 2 O2 Sensor eliminators and tried 2 new maps - one from Fuelmoto and one from PowerCommander. Also have a Stage 1 breather and V&H slip-ons.
Both cause harder starting and a lot of exhaust pop on decel. And neither improve the bike's performance.
This unit really lit up my 04 Ultra so what am I doing wrong here?
Fuelmoto says the PC III should work just as well as a PC-V and suggested upgrading the firmware in the PC III.
Any suggestions or should I try a different tuner/ECm aotogether?
Frustrated,
r0ckie
Both cause harder starting and a lot of exhaust pop on decel. And neither improve the bike's performance.
This unit really lit up my 04 Ultra so what am I doing wrong here?
Fuelmoto says the PC III should work just as well as a PC-V and suggested upgrading the firmware in the PC III.
Any suggestions or should I try a different tuner/ECm aotogether?
Frustrated,
r0ckie
Seasoned HDF Member
Joined: Jan 2009
Posts: 5,149
Likes: 2,975
From: WACO
Stage II
Joined: Mar 2009
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I have a PClll on my 08 heritage and it too was hard starting and had some decel popping eetc. The hard starting was fixed by hitting the start button immediately after turing on the igniton switch vs waiting for the injector light to go off and it now starts right away. As for the decel popping, it disappeared after about 10 to 15 hours of driving. I believe the ecm module adjusts itself somewhat to the fuel air conditions or something like that, but your decel popping should improve with time.
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