Advice needed please

[Mindrunner]

Hi wonder if anyone can help, I had my A6 2.7 Bi turbo 1999 scanned today and the following faults were found

16538 P0154 Bank 2 Sensor 1
16487 P0103 Air mass meter -G70
17965 P1557 Charge Pressure Control
17515 P1107 Bank 2 Sensor 1 Heater Circuit
16538 P0154 Bank 2 Sensor 1

Any advice on these faults?

 

[Westy]

Look them up on here mate:

http://wiki.ross-tech.com/index.php/Category:Fault_Codes