Spark plugs snapping off inside cylinder cavity

Changing plugs on drivers side. Started with the easiest first because I heard they were notorious for breaking. Anything I can do to prevent the

Ford » F-Series » 1997-2004 | |

Vacuum hose diagram and sensor locations

1999 f150 4.2L...i did a head gasket job and i guess i slept a little while. Diagram under the hood doesn't jive with my brain i guess. Thanks.

Ford » F-Series » 1997-2004 | |