Help with bike running nuts

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Joined
Dec 19, 2020
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1
Location
Hong Kong, China
Need help from the great mighty Tech masters in this Forum

My bike is a 2015 Ducati 848 Streetfighter, it all happened 2 months ago when I took the bike out, suddenly the bike was back firing like mad, and also the rev can only go up to around 4000 rpm and feels like it was running on 1 cylinder, then after a few more twisting the Throttle, the rev goes up again and feels normal but back firing was bad whenever I slow down, then before I come to a stop before traffic or a traffic light, the engine die on its own, have to restart the bike everytime ... it was normal when the bike was cold and runs normal for a few km, then it starts allover again, so have not rode the bike for the last few weeks.

Took the bike to the Totally useless Duc dealer in our country, can't find anything wrong with the Duc diagnostic tool, was told the ECU was bad and also the engine need to rebuilt and replace most of the parts inside and was quoted a price where my bike will cost less to buy.

The bike has a Arrow twin slip on, but was running normal for ages before this happens suddenly !!! any idea why its like this ?? I don't think this has anything to do with the OE ECU or the engine... your help will be greatly appreciated and for sure I'll live longer if all is fixed, Thanks
 
If it runs normal everytime it is cold then most likely an issue with a sensor. I would guess oxygen sensor since the bike uses it for fueling once it gets to operating temperature.
 

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