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Mar 11, 2026 at 10:30 PM in reply to: Bike stalls at steep climbs & after long idle periods GV250 2013 EFI [SOLVED] #22091
Hi Marcel,
I cleaned the IAT sensor with electrical contact cleaner and let it dry before reconnecting it.
I also cleaned all connectors I could get my hand on with electrical contact cleaner and let them dry overnight.
All critical connectors have been waterproofed with mastic tape and electrical tape, all secured in place with plastic cable ties to keep out moisture.
It’s been over two weeks now and the bike seems to have fully recovered. It’s the longest uninterrupted riding in recent memory.
Thank You!
Feb 24, 2026 at 10:39 PM in reply to: Bike stalls at steep climbs & after long idle periods GV250 2013 EFI [SOLVED] #22015Hi Marcel,
Thank you for the swift response.
I have attached a visual on the exact sequence as I can see it in the link below.
The bike uses the Daewoo ECU.
I will unplug the battery, follow instructions and provide you with feedback,
The bike occasionally stalls but the FI led stays on and does not flash. On bridging the two contacts while in dealer mode, it always gives the flash sequence as previously shared.
Thanks, again.
https://drive.google.com/drive/folders/1jayJMfPrm4qJpoSyKavpaJ15d9JHCYfr?usp=sharing
Feb 24, 2026 at 10:11 PM in reply to: Bike stalls at steep climbs & after long idle periods GV250 2013 EFI [SOLVED] #22014Hi Marcel,
Thank you for the swift response.
This is the flash code from my visual inspection:

The bike uses the Daewoo ECU:

I will unplug the battery and follow the instructions, and I will be providing you with feedback.
I occasionally get the red light when riding, but it does not flash. It is a constant red and on bridging the contacts, I always get the flash sequence as previously shared.
Feb 24, 2026 at 10:05 PM in reply to: Bike stalls at steep climbs & after long idle periods GV250 2013 EFI [SOLVED] #22013Hi Marcel,
Thank you for the swift response.
This the flashing sequence that I can detect from the video:

The bike is using the Daewoo ECU.

I am going to unplug the battery for 24 hours and act as instructed and provide you back with feedback.
I occasionally do get the FI light triggered on while riding and it rather stays on as opposed to flashing. I usually find a safe place to park the and the flash code sequence thereafter is always the same as previously shared.
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