Hello, I have plenty of smoke being released from the tail pipes as per usual & saw no leaks around the cat converter when I tried plugging them but when I have the air blowing, I can smell a fairly strong scent of emissions. The smell does not happen if I have it set to recycle the cabin air. Based on this, where can I assume the leak is occurring?
My car has 140000 miles.
My car has an automatic transmission.
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