Electronic throttle control
Outstanding HDF Member
Joined: Jul 2007
Posts: 2,847
Likes: 0
From: Missouri
Stellar HDF Member
Joined: Oct 2007
Posts: 2,806
Likes: 1,754
From: New Bern NC
RE: Electronic throttle control
I've noticed that the 08 owners who have actually experienced a problem have posted about an idle problem only, no sticking throttles and no random accelerations.
The idle problem is between the ECU and the throttle control motor, it haslittle to do with thegrip sensor. It is a nuisance problem not a life threatening issue, and a simple procedure has been posted to reset it. Simply the learning curve of something new. As far as some of the statements that cars don't do this and it's an HD issue, sorry that's far from true. All computer controlled vehicles, ALL OF THEM, exhibit a learning curve based on driver input. Many parameters are adjusted based on individual driving habits. The high idle issue is simply one of those parameters in Harley's programming, programming that I believe was written by DELPHI.(Same as General Motors).
As far as a sticking throttle or an accelerating throttle I haven't seen any first hand posts yet from someone with an 08 that has actually had those problems, just a lot of 07 and earlier owners making claims about something they think or predict will happen. The signal from the TBW is not a simply an on and off switch. It's a complicated signal with redundant fail safes to prevent unintended acceleration.
If anyone WHO RIDES AN 08 bike would like to post about other then idleproblemsthat THEY HAVE ACTUALKNOWLEDGE ofI'm sure I'm not the only member here who would like tohere about it.
The idle problem is between the ECU and the throttle control motor, it haslittle to do with thegrip sensor. It is a nuisance problem not a life threatening issue, and a simple procedure has been posted to reset it. Simply the learning curve of something new. As far as some of the statements that cars don't do this and it's an HD issue, sorry that's far from true. All computer controlled vehicles, ALL OF THEM, exhibit a learning curve based on driver input. Many parameters are adjusted based on individual driving habits. The high idle issue is simply one of those parameters in Harley's programming, programming that I believe was written by DELPHI.(Same as General Motors).
As far as a sticking throttle or an accelerating throttle I haven't seen any first hand posts yet from someone with an 08 that has actually had those problems, just a lot of 07 and earlier owners making claims about something they think or predict will happen. The signal from the TBW is not a simply an on and off switch. It's a complicated signal with redundant fail safes to prevent unintended acceleration.
If anyone WHO RIDES AN 08 bike would like to post about other then idleproblemsthat THEY HAVE ACTUALKNOWLEDGE ofI'm sure I'm not the only member here who would like tohere about it.
Seasoned HDF Member
Joined: Sep 2007
Posts: 9,208
Likes: 374
From: Central Illinois, Between I-80 and I-74
RE: Electronic throttle control
The story sounds completely different.
Outstanding HDF Member
Joined: Sep 2006
Posts: 2,371
Likes: 11
From:
RE: Electronic throttle control
ORIGINAL: Old Bones
What I should have said was 5400 miles and no problem.
Soon all the Harley line will have the TBW and the new topic will go back to where can I get my old Harley fixed, the stealer won't touch it.
What I should have said was 5400 miles and no problem.
Soon all the Harley line will have the TBW and the new topic will go back to where can I get my old Harley fixed, the stealer won't touch it.
Outstanding HDF Member
Joined: Jul 2007
Posts: 2,847
Likes: 0
From: Missouri
RE: Electronic throttle control
ORIGINAL: piasspj
Is this the same accident that has been posted as a TBW incident?
The story sounds completely different.
The story sounds completely different.
Cruiser
Joined: Jun 2007
Posts: 206
Likes: 6
From: Michigan
RE: Electronic throttle control
Having moved from an 07 Sportster to an 08 EGC, and being an habitual throttle blipper, I'm curious as to why when I crack the throttle on the EGC from idle, I get a delayed reaction. Does anyone know if the ECM restricts the throttle opening when you twist the grip very fastfrom idle?Is this some sort of safety feature, or anti lugging feature? Don't get me wrong, I'm having more fun on this thing than any motorcycle I've ever owned. I can't believe how a bike this heavy can feel so light when in motion!
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RE: Electronic throttle control
The delay is exactly what others, including myself, have experienced. It is also an easy fix. Cycle the ignition from off to on four times with a ten second pause in between. This will allow the ecm to re-learn what "0" throttle position really is. I did this and the sluggish throttle rersponse went away. Now it's right there, right now!