Q: Various codes
I am having issue with loud noise my car makes when accelerating in which I had a mechanic check it and change one of the mufflers, but it kept making that same annoying sound. So I used an obd2 scanner to check what the problem was. Three things popped up: 1-knock sensor 2-o2 sensor 2 bank1 3-coolant thermostat
Which I changed the o2 sensor but it will not stop making the loud noises.
My car has an automatic transmission.
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