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Discussion Starter #1
Over the last several weeks I've started noticing an oil burning smell coming from the car, particularly when going uphill. I haven't seen any obvious cause, no oil along the botyom of the power train, no oil drips on my driveway, etc. Almost smells more like gear oil than motor oil, but def has that burning smell.

Also, just in tne last couple weeks, a P0420 error code has been setting. Scanner says "Catalyst System Efficiency Below Threshold (Bank 1).

Could the two be related?
 
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