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Discussion Starter #1
On the 5.9 ecu does the fuel trim (adjusted by VDST) only effect the bike at idle of does it work across the entire throttle range?

thanks,
t_bare
 

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Discussion Starter #3
As per workshop manual, it affects the whole range.
Eurico
Eurico,

How is the ducatidiag working out for you on the 998? I am assuming you are the same Eurico from Portugal that has posted on the ducatidiag site.

Thanks,
t_bare
 

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On the 5.9 ecu, idle is effected by the bypass valve settings, whole range by the trimmer.
You will see that changing the trimmer, the idle changes, to be corrected with the bypass valves.
 

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Discussion Starter #5
Thanks gentleman. That is what I had thought but a well respected Ducati Dealer/Mechanic told me the trim only adjusts at idle, as he was suggesting a Microtech ECU.

t_bare
 
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