hi at guess co =carbon emission .. CTS = ?? sorry .. car is in garage tmoz ive give him all info from here lets hope its a cheap option .. again today got so far up my street and cut out spluttered bag nails but then drove like dream 60 np top down and was still waiting for more gas to go forward. im not even sure if it just be my driving ( no jokes about women drivers plz). should i be using accererator when staring or not every one just keeps saying give it some wellie when i start it but smells too bad if i do that thanks again