Engine surges and it is giving me codes p1148 and p0031 . 2007 Nissan Santa 2.0 SL
HI there
The P0031 code is for a problem with the heater element in the bank 1 sensor 1 O2 sensor. This can also cause the other code you are getting. Most often the issue is with the sensor itself, but can also be the result of bad wiring or a ecm issue. Here is some more info on the code
P0031 NISSAN - HO2S11 Heater Control Circuit Low Read more: https://www.autocodes.com/p0031_nissan.html
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