Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2001 Honda cold engine knocking › 2001 Honda cold engine knocking May 17, 2012 at 11:00 am #438204 MattParticipant Doesn’t sound severly abnormal to me. You may want to do a valve adjustment as suggested, but it’s not a knock, it’s just valve train chatter in my opinion. It happens with the miles.