Urgent Question

Originally Posted by nogoodname

air or nitrogen


if it has nitrogen already... put nitrogen again

Originally Posted by FuszNissan

Yes you can fill air into a tire that has N20 in it, the only issue is that you will lose all benifits of using pure N20. But you will not cause any damage. You can then either over time eventually keep doing air until it is back to regular air, or go somewhere and repurge the tires back to pure nitrogen.