I Am Doing A DIY job on a 2006 Jaguar S Type 3.0 in I am getting the P240B and P2401 codes . The car runs strong but at idle the car sounds like it is sputtering ? HELP PLS THANKS IN ADVANCE GENUIS

I Am Doing A DIY jobs on a 2006 Jaguar S Type 3.0 in I am getting the P240B P2401 P0031 P240B P0414 codes . The car runs strong but at idle the car sounds like it is sputtering ? HELP PLS THANKS IN ADVANCE GENUIS
(Spark Plugs , Coils, And Upper aint ale Gaskets Is New)
The car cuts on in drive regular when car is accelerating.
The car also some times and almost every other time act like it wants to cut off when I come to a hard stop but it catches itself some times or sometimes it cuts off then when the car is restarted , it cuts right back on . Thanks I’m advance again


P0414- Secondary Air Injection System Switching Valve A Circuit Shorted.

P0031- H02S Heater Control Circuit Low Bank 1 Sensor 1.

P240B- Evaporative Emission System Leak Detection Pump Heater Control Circuit Low

P2401- Evaporative Emission System Leak Detection Pump Control Circuit Low

I only have the regular obd scanner . I will try to find a shop who does that because that do sounds like it need that type of diagnosis. Car sputters like a lemon . But when the car is in driving raising rpms it has good speed