Loss of power in the Rexton 2.7 CRDI

Loss of power when demanding the engine, turns on the light Chek Engine and the DTC recorded is the P1235.

Hello Luis as tried to empty the water of the diesel filter or the sensor that goes under the diesel filter is broken I have a rexton and the sensor broke and the car was left without strength that if you see preparing about 90 euros that is worth in the house not oh, the sensor is threaded under the filter, be careful that the sensor's thread is made of plastic and it is very bad