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Hi, I have a 2006 KX121-3 excavator with an non-functioning auto idle. When the auto idle switch is on, the engine should automatically idle down after 3 seconds of no activity. What happens now is that the engine is always at the idle speed you set the dial indicator at. I've replaced the...

Hi there. I've recently purchased a used KX121-3 excavator. I've been lurking on TBN for awhile and I look forward to participating in this great forum. Dan