High and low voltage for o2 sensors

Asked by Daniel Dec 22, 2022 at 06:31 PM about the 2004 Dodge RAM 1500

Question type: Maintenance & Repair

I have a 2004 ram 1500 5.7 hemi v8. I am getting P0157 P0152 P0300 P0302
codes. The P0152 says that the o2 sensor bank 2 sensor 1 has a high
voltage.And P0157 says the o2 sensor bank 2 sensor 2 has  low voltage. The
P0300 is a general misfire code and The P0302 is a misfire in cylinder 2,
Does anyone know what could be causing the misfire?

2 Answers

26,785

Could be many things. Some are simple and some not. You will need to troubleshoot to determine more about the problem. I would start with the number 2 cylinder items like plugs, wires, injectors, coils. etc. Only knowing the failure code tells you where to start looking.

Thank you very much! I really appreciate your help! God bless and Merry Christmas!

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