Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2008 Honda Element Engine Knock › Reply To: 2008 Honda Element Engine Knock March 24, 2020 at 11:00 pm #953552 Richard KirshyParticipant Overly tight valves could mean burnt valves. Metal in the oil another bad sign. Might try cutting the filter open and inspecting the filter element.