why do i pop?

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Mar 13, 2008 | 04:01 PM

2008FLHP

Thread Starter

Outstanding HDF Member

Joined: Sep 2007

Posts: 2,782

Likes: 7

From: NC

why do i pop?

'03 RK, KN filter, VH propipe, PC3 w/correct canned map (though it says for 2002) and it still pops on decel AND pops right when i squeeze in the clutch when upshifting too...exhaust is tight and the plugs look fine

yeah i know i should get it dynoed...confused...any ideas why?

Mar 13, 2008 | 04:59 PM

Xtreme Hawg

Elite HDF Member

Joined: Apr 2006

Posts: 3,746

Likes: 0

From: Southeast Louisiana

RE: why do i pop?

If I had to guess, I'd say it was your map... It's possible the map you've programmed is not right for your bike and setup. Had the same problem with my old bike and after changing my map it ran great... "D"

Mar 13, 2008 | 05:51 PM

Lincoln33

Outstanding HDF Member

Joined: Aug 2007

Posts: 2,836

Likes: 1

From: 2000 Softail FXST

RE: why do i pop?

I bought my 01 RK used and the previous owner had put aftermarket exhaust on without remapping. I had the same problems your having now. I went to the local dealer and had a "Stage 1 Reflash" and the hot and cold idle reset ($216). No problems since. Iknow you did the PC3 remapping but I didnt know if that was a similar fix. FYI Good luck on the fix.

Mar 13, 2008 | 08:21 PM

notlost_nc

Road Master

Joined: Sep 2006

Posts: 1,121

Likes: 6

From: Huntersville, NC

RE: why do i pop?

see if the first column of your map has zeros in it, you may need to change them to fives. Lots of info on the "decel popping" here.

Mar 13, 2008 | 08:35 PM

davewear

Road Warrior

Joined: Feb 2007

Posts: 1,730

Likes: 199

From: Vancouver BC

RE: why do i pop?

canned map, popping could mean rich or lean. get it dyno tuned....

Mar 13, 2008 | 08:45 PM

EdwardK

Road Warrior

Joined: Nov 2007

Posts: 1,800

Likes: 307

From: Houston, Texas

RE: why do i pop?

Is a little decel popping a bad thing?

Every standard transmission vehicle I have ever driven had some decel pop if you ran up the rpm in a gear and just let off the gas. Especially if it had any kind of exhaust on it.