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Discussion Starter #1
My 'Stang won't pass emissions. The machine says the O2 censer(s) are not ready. I had a repair done at a local Ford dealership a month ago, then took the car a couple weeks later for the emission test. The tech said the car needed to be driven about a hundred miles or so before it would pass. 300 miles later, it still won't pass. Have any of y'all had this experience? Any and all help will be appreciated. Thanks.
 

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Discussion Starter #3
What tuner do you have? With a proper tune, you should pass.
It is a Whipple/Ford Racing Supercharger and tune. It's been on the car for 9 years and I've never had an issue with emissions. I had both of the catalytic converters replaced two weeks ago but the OBD is still reporting that three of the O2's are not ready. Very frustrating...
 
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