purchased iacv few months back on here wasnt sure what i needed. anyway it seems the 2 r different the one in my car has that green cap (a/t) and the 1 i bought has black & looked up it says for vtec m/t. will this still work? have vtec a/t engine told guy when purchasing & said it should work but not so sure now bought it n e way just in case. any help please?