Since p0300 showed up, now I'm getting p0050 p0051 and p0151 codes.
After clearing p0300, it came back several times. I pulled over, turned the car off, turned it back on again and was able to drive without any issues. This repeated a few times. Right now, I have a solid p0050, p0051 and p0153 codes indicating the o2 Bank 2 Sensor 1, plus the occasional p0300 misfire on all 6 cylinders.
The B2S1 o2 sensor is fairly new. I replaced all 4 o2 sensors, and all 6 coil packs, plus new NGK plugs.
Is it possible that the B2S1 gone bad, or front CAT now needs to be replaced?
Car has 175,000 runs strong, no leaks, new air filter, oil change, clean MAF, new 6 coils, new spark plugs, new 4 o2 sensors, one new CAT Bank1 and one old Cat Bank2.
Any advice is greatly appreciated.
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Sunday, January 15th, 2023 AT 4:21 AM