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Symptoms of Faulty TPS?   Tuning&Exhaust:99-05 non cal

Started 11/1/21 by CHRIS1037; 477 views.
gradie55

From: gradie55

11/3/21

depends whats been done to the bike.. my TPS is disconnected .. but I'm running cams etc.. and the dyna 3000 takes care of all that... if you pull the seat thats where you'd find that under the plastic tray.. 

CHRIS1037

From: CHRIS1037

11/3/21

Thanks!

I apologize for being a little green with all this.  I purchased the bike used, and the person I purchased it from didn't really know much about the bike, so I think I'm on my own for figuring out what might have been done to the bike.  I may have mentioned it before, but it's a 2004 1100 .. from what I can tell my TPS is connected but totally failed, and I'm unable to get any reasonable reading on the multimeter.

It does look like the AIS has been removed.

Can you help clarify what I'm looking for under the seat?  A dyna 3000?  I have removed the seat once to get at the TPS.  While I wasn't looking for something like the dyna 3000, I don't remember seeing it.

Other than a moderate amount of backfire on engine breaking / downshifting, the bike seems to be running and starting just fine.

I guess I'll just buy a new TPS and install it in lieu of some other suggestions?

Thanks!

Chris

gradie55

From: gradie55

11/3/21

the Dyna 3000 is a black box 4 inch by 2 1/2 inch roughly sits under the seat under a plastic tray...  and the issue your having isn't timing.. its more like a vacuum leak... have you replace the exhaust at all? popping on decel is normally caused by a too lean setting.... and thats caused by aftermarket pipes allow more airflow which leans out the air /fuel mix... so the fix is to open up the PMS screws a to richen up the system... if you have a vacuum leak it can cause the same issue.. so take some carb cleaner and spray around the connections all around the carbs.. if the rpms go up you found it... if nothing happens then its the PMS screws.. everything you need is in here the bible to the 1100..

https://sites.google.com/site/vstar1100kb/home

CHRIS1037

From: CHRIS1037

11/3/21

Awesome. Thanks so much, I really appreciate the feedback.  I've had the bike for about 2 weeks and haven't made any mods to it.  I'm not sure if the previous owner modded the pipes or not..they look stock to me, but I'm just guessing.

Ill read up on the link you provided and go from there. Thanks! 

Chris

gradie55

From: gradie55

11/3/21

what you need to do is, take a look online at what the stock pipes look like, then make the call yah or nah.. make sure you totally understand the starting procedure ... it's different... than most others.. 

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