Originally Posted by squee
Okay, I now understand why knock occurs. And I believe if what I am hearing is indeed "knock" then it is probably the result of my lean fuel mixture. I believe my engine is running lean only because the spark plugs I pulled out of my engine where burnt white. But How do I confirm what I am hearing is knock?
Knock is bad, but too lean is really bad over time. If you've got white deposits on your plugs, you're way too lean. If you keep driving it like that you'll burn your exhaust valves.