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Showing results for tags 'Coolant leak o2'.
This is my first post here and I hope my last of this nature. I just bought my 2005 STS and I love it. Being a used car I anticipated a few issues from wear and tear and simply setting. I believe I might have an o2 sensor issue right now but my main concern is my coolant leak. Every day I have to fill the coolant and idk where is leaking at and even if I found it I'm not sure how to fix it. I don't have a lot of experience dealing with things like this but if someone could point me in the right direction that would be awesome. I have searched too the ends of the earth and beyond for a manual for this car and have returned with. I thing to show but bloodshot eyes for hours of looking at my phones screen and not being rewarded. But the matter at hand is the leak. So anything on a fix or even a troubleshooting guide would much appreciated