Tune Question

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12-28-2007, 09:25 AM

#11

ski

4th Gear Member

Join Date: Mar 2006

Location:

Posts: 1,470

RE: Tune Question

Quote:

ORIGINAL: killbee

I have Dougs 93 performance tune so the rear O2's are off. Now I wonder if it will still pass the NC emissions test for inspection. The only thing they do is plug into the ODB port and read for codes I think. Shouldnt it still pass if there are no codes showing or am I totally wrong?

If you're concerned about passing emissions, then reinstall the stock intake and tune, and drive for at least 50 miles before inspection time.

12-28-2007, 10:09 AM

#12

killbee

1st Gear Member

Join Date: Aug 2007

Location: NC

Posts: 122

RE: Tune Question

Quote:

ORIGINAL: ski

Quote:

If you're concerned about passing emissions, then reinstall the stock intake and tune, and drive for at least 50 miles before inspection time.

I realize I could do that but what happens when I add a supercharger? You cant just put the stock tune back in, you would throw a bunch of codes plus loose your engine. I know alot of SC setups are emissions legal, so how do they pass with no rear O2's fuctioning?