Forums 🚥 PIT STOP 🔧 Hyosung Technical Help Hyosung GD250R FI LIGHT Reply To: Hyosung GD250R FI LIGHT
Jul 26, 2020 at 12:51 AM
#3932
check this out: https://www.launchtech.co.uk/support/information/dtc-codes-list/ P0171 must be the fuel system rail as it says “P0171 – Fuel Trim System Lean Bank 1” I couldn’t find 171 in the official hyosung service manual, is that what the dash actually says on the bike ? Consider your injector system, throttle bodies in this matter here. I’m not sure how your mechanic checked that.
here’s a video: https://youtu.be/d5EChYSaCBo
my feelling now is the fuel pump failing