I have a 1990 nissan p/u 3.0 v6 that died last week all of a sudden. I changed the fuel filter and looked everythign over it started up but I had to floor it to start. I got it home and changed the temp sensor and tps. It'll start right up now but white smoke comes out the exhaust when you give it gas and smells of gas really bad. I do not have oil in the water or water in the hole. THe truck runs great but the smell is horrible. Thanks for any help in advance.