Here is my next problem: It will feel like the fuel is shut off for 1 sec every once in a while. Full throttle there is never a problem, it is usually when the rpm's are low and I am givin it gas but not enough to kick it into passing gear. The boost guage goes up, but I feel this glitch like its running out of fuel. I replaced the fuel filter so far, no results. I'm thinking fuel pump next. Any suggestions?? Thanks