Yesterday I was painting my hood with my friend and he put some sea foam into the vacuum hose connecting to my BOV without asking me. After that, my BOV started sounding like a whistle and today I ran my car hard to see if I was boosting and my boost gauge just went to 0. I don't know if my boost gauge connectivity was messed up too but my car did feel a bit slower than usual. He said the sea foam would evaporate eventually but is there anything else I can do? It was in a little bottle but I didn't really get to read it. It just said something about a vacuum hose cleaner or something. I already bought a new vacuum hose today and replaced it but it still sounded the same. Thanks in advanced.