I will explain each code in turn. To resolve all codes, the recommended service to request is a check engine light diagnostic (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection). If you request that service, the responding certified mechanic will get this taken care of for you....
The gap between the 6K and the 7K line is considered the red zone. This zone is marked as the over-revving speed for the engine as the valves cannot shut any faster and the timing chain creates too much slack...
