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replaced catalytic converter and still have the code, replaced o2 sensors. Can’t find any obvious exhaust leaks. Any other ideas? Lol
I have a p0420 code have replaced both o2 sensors, mass airflow sensor, all 4 coils and plugs. Most were replaced before the code just in self...
Have an oil leak from this area somewhere. I'd say about 3 quarts between oil changes. I am also curious what that sensor is with the black base....
