Originally posted by CompetitionThuG:
2.0 zetec... fuel problems... little bit of oil dissapears every so often...CEL for bank one too lean... changed the o2 on bank 1, replaced maf and same damn cel... anyway this is what my plugs look like.. any idea what it could be??

http://community.webshots.com/album/342343796rTarrk?727




Is that carbon or oil buildup?