well trax was eventful with the car... main problem now is engine management light. have read the code with bluefin and it comes up as 1131, iv looked this up and the meaning of it is that my car is running lean..... question is what the hell would make it go lean? i mainly use the car at weekends, its running decat and bluefin and modified air box. its on map4 for super unleaded....and its been running months on super with no problem...... really need some help please

 

Lambda sensor on its way out most likely.

 

are only 6months old at max