hi all.just brought a52plate wrx.after 2 days and 200 miles ive got management light.had comp plugged in tellin me p00546 bank1 sensor 1.had fault cleared twice now.will only comes back on on a good run with a bit more turbo use.the car was only used for small town journies for the last 9 months.could the exhaust sensor be coated with waste....cheers
chris

 

Hi mate, did you ever resolve this problem?

 

think so.had exhaust sensor replaced,nothing come up on management yet.fingers crossed.