See that's exactly what I was saying to everyone else. I did the Sea foam thing about 4 months ago. I bought two bottles. One was a spray and one was a liquid that you would pour. I put some in my gas tank in with my oil and spray the whole other bottle into my throttle body. My son had it on 2000 RPMs the entire time I was spraying. I even drove it around directly after like it's like I seen others do on YouTube. However the only difference is my car never smoked. I asked somebody else this but I want to ask you too, what do you think about the turpentine or transmission fluid idea of putting it in the engine for 20 minutes to clean it?