2003 Road King Missing @ 2300rpms

chromeInvested

I have a 2003 Road King FI that was running rough for a while. Brought it in and had the intake seals and breather tubes replaced. It has has a PCIII so I had it put on the Dyno at the same time.

It runs 100% better but still misses at 2300 rpms regardless of the gear. It has also developed a noise when I downshift that sounds like a quick whistle from the front left side if the engine. It also happens when I quickly release the throttle. The harder the downshift the louder the whistle. It is very short and sharp but difinatly there.

Any thoughts on either of these issues?

Hobbit

make sure your exhaust is sealled and correctly fitted to the bike,
i would remove the pipes and look for issuse around the flange as they may hve corrosion not be seating/sealling properly.
refit with new gaskets and see if this cures the issue

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TQuentin1

As a quick test before doing as Hobbit suggests, I saw a suggestion that Glider posted on another potential exhaust leak problem. With some beefy gloves or even a thick wad of rags, cover the exhaust pipes to see if you can hear an exhaust leak. Just do this momentarily, not for a long period. This may not localize the leak for you, but if you get the same (although faint at idle) noise or another noise that sounds like a leak it will confirm the problem and reinforce the need to find that as opposed to a different problem.

TQ