Aright, i have gone 3 times and i have failed every time. My first time my Hydro carbons were 1.8 and it needs to be 0.800, and nox was 2.2 and needs to be 2.0. The second time i put this fluid in my gas and got 1.7 in hydro carbons and 2.4 on nox. SO i tried getting it really hot for the third...