he guys , so bee to the pod to da , and did 4 runs , one was with RITCH lol , kicked my but , nice guy though

any way at end of 4th run spottted boost gauge stopped working was like oh dear killed it , so on way home gave it some but would not go more that 10 then fall , so get hoem stick vcds on it and get up the following codes

and was excpeting this one as could see and feel it

but last week i had codes of the following


so i did waht i foudn a guied to do and did the basic set up and clear codes and was fine up till today after going on track
could some one offer any ideas what could be wrong