pour some de-natured alcohol in your gas tank. you can buy it from home depot. i've only seen it there in 2 sizes. there's a gallon can, and then a smaller one (i can't remember the size). you want to get the smaller can. pour the whole thing in your tank, and try to do it while your tank is kind of low (below a quarter). retard your timing, and then go try it. i've done that to a lot of "sniffler checked" cars, and it's work. i only had one car where it didn't work, and his numbers were up in the 3,000s. the way i see it, you're going to have to pay to get it "passed" so maybe try this on your next free one, and if it works, you'll know you won't have to pay that overhead to get it passed ever again.