Komatsu forklifts FG20-30, -14 can set the idle speed by doing the 5 on 5 off sequence and the third time 5 on and 20 off with the ignition switch !This relearns the ECU and the idle speed comes down to 750-800rpm. After if you have the analyzer , hoook it up and relearn the air fuel relearn the you're problem should be fixed.
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