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  1. Help: Car won't pass emissions. (Completely stock)

    My 2016 Mustang GT will not pass the OBDII emission check, It will not clear the monitors. Catalyst, o2, and Heated 02 come up as "not ready". There has been no tune on the car so none of the o2s have been shut off. Car is completely stock. The car throws no CEL. I have taken it to the...





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