no those are brand new plugs and my check engine light was on for a while.. then last night it shut off.... my car is standard by the way ... an now since last night it runs fine?? what a crock ??? maybe i beat on my cars too much .. but i think im really going to try and buy that other sensor if it happens again but now it idles higher than usual 800-835 around there and the a/c isnt on reg idle for my car usta be 725- 754 <~vtec controller im gettin these idles from iunno