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  1. 86dmax

    LLY: Need help with 05 lly

    Man I need some help.I got a 05 lly with 240K.I have been fighting a problem with a rough idle/miss for a year already.When the truck is cold it idles fine smooth as silk.When the the trk gets hot it will ack up at idle.If you turn the ac on or put it in gear it goes away and idles fine.If i...