Originally posted by inspyral
How and when do spark plugs become "full"?
I was/am confused on this also? Perhaps he means "worn"?
I don't know; the "original poster", nonetheless, sounds
like an "A to B" type, so I'd be surprised if the oil's even been
changed since his/her last "service". The only light that EVER
comes on in my Honda is the "no seatbelt" warning.