If you are 6 days late for your period and received a very faint line on a pregnancy test, it could indicate that you are pregnant. Even though the line is faint, it still suggests the presence of the pregnancy hormone hCG in your body. However, it's important to note that faint lines can also be caused by other factors such as testing too early or using an expired or faulty test. To confirm your pregnancy, it is recommended to take another test in a few days or consult with your healthcare provider for further evaluation. They may perform additional tests or examinations to determine if you are indeed pregnant.