The other night i washed my engine campartment.The P0171 code went away and a P1133 H02 Insufficient Switching Sensor 1 came about.That has been the code setting for a day now.Now this morning i installed my new 02 sensor and now i set the P0171 code again.My 02 readings w/ the old sensor were around 940-960 now with this one they are 860=890---...