Po131 is the code for the oxy sensor, the voltage is low to the sensor. The sensor is the bank 1 senor and I do not know where the is for sure so you can goggle the oxy sensor for bank one and it will tell you where it is. You will need to replace it . Hope this helps .
Answers & Comments
Po131 is the code for the oxy sensor, the voltage is low to the sensor. The sensor is the bank 1 senor and I do not know where the is for sure so you can goggle the oxy sensor for bank one and it will tell you where it is. You will need to replace it . Hope this helps .