Can anyone help translate what these codes are trying to say?

[soucorp]

P0491 Secondary Air Injection System, Bank 1 - Insufficient Flow
P0492 Secondary Air Injection System, Bank 2 - Insufficient Flow

Possible cause of fault
- Electrical fault in power supply or line between relay and secondary air injection pump
- Secondary air injection pump relay mechanically faulty
- Mechanical fault in electrical secondary air valve
- Pneumatic secondary air valve faulty/sluggish
- Electrical fault in secondary air injection pump
- Mechanical fault in secondary air injection pump or secondary air injection pump blocked
- Vacuum system leaking
- Air hose to secondary air injection pump slipped off or constricted


What others have said about resolving this issue:

= This code is a PIA to troubleshoot.... (turned out my cats were bad).

= Went back to my dealer. It was a cracked vacuum tubing -diagnosed and replaced free of charge in 30 mins.