Is my dyno tuner missing something regarding this new Knock (anti-knock) timing in the ECM programing?

 

What do you mean?

 

The knock sensing works really well in my experience. If your seeing real knock then your tuner should work with the AF and timing to get rid of it.

Also, make sure your running stock plugs and wires. The screaming eagle plugs(platinum i think) are not compatible with the knock sensing. They will throw false knock with the knock sensing and retard the timing even when knock does not exist.

Seems like HD should know this but they either don't or don't consider it an issue. I asked the tech at the parts desk if hed heard anything about it and he said no *facepalm*

I chased "knock" on mine for a long time before realizing it was not real and switched the plugs back to stock. False knock went away.

 

I've had my bike tuned twice by a tuner with over 6500 tunes. Two build configurations and my bike runs like "something is wrong". No codes and all mechanicals have been verified as correct.

If you yourself applied throttle in nuetral or in gear you'd say agree something is wrong (unless you work for my local H-D Dealer).

Back to my OP.

 

Did your bike run flat or weak while it showing False knock?

 

Yes but only after i had retarded the timing to the extreme trying to get rid of the false knock.

If the ecm detects knock or false knock it stores that info and keeps timing retarded and this affects bike performance.

What do your timing tables look like? Did the tuner work those?

With the tts you can data log. It wouldnt hurt to see whats up with that.

Did your tuner give you a copy of the tune file?

Youll get much better answers in the TTS master thread too btw