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28/12/2023 8:40 pm
Topic starter
Hello i have a 2016 nissan altima with 148k miles. My car was having o2 sensor issues bank1 sensor 1. So i changed it and continued to get the same codes. I now changed the catalityc converter with a new 02 sensor bank 1 sensor 1 and i now have the p0300 code. Everything is tight and firm. Car has trouble starting up with this code and it has never done that before. I just saw your video and noticed you said the battery can be an issue. I am going to test that and clear codes. But do you have any other advice even after putting in a new cat? Thank you in advance.
1 Answer
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28/12/2023 8:55 pm
Check our FAQ about misfiring and see if it helps.
