limp mode issue

[tarzan]

when im driveing in 5 gear give throtlle at 2500 rpm my car goes in to limp mode...
have a mbc on it and i`m on 0,7 bar now..is it overboost?coil packes?boost leak?maf?lambda
have done the search.the car have remap.also falied mot. to high co 0,56 and htc 190 has to get it under 100...
has this fault codes
16795 - Secondary Air Injection System: Incorrect Flow Detected

P0411 - 35-00 - -

16804 - Catalyst System: Bank 1: Efficiency Below Threshold

P0420 - 35-00 - -
thanks for any help

 

[Reuvers]

sounds like either your lambda sensor or you cat is working incorrectly.

Plus, 0.7 bar of boost is far too little for a car thats been remapped. Cupra hits 0.5 - 0.6 bar standard. So 0.1 bar extra for a remap sounds wrong... you should be seeing 1 bar at least

 

[tarzan]

usin a mbc turned the boost down for the winterwill try to turn i up to 1 bar again maby a bit more its sins i`m running rice..thanks mate