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Originally Posted by EclipseGST
A fuel pump will not eliminate fuel cut. Fuel cut happens when the computer sees too much air flow (from the mass air sensor located before the turbo) for the stock fuel system to keep up with so it cuts spark and fuel delivery to the motor. The only way around it (with a bigger turbo running more boost) is with either a computer chip, fuel controller or some sort of engine management. It would be pointless to do this on a stock fuel setup so there for you would want to upgrade your injectors and fuel pump while your at it.
You should not have fuel cut on the stock turbo at this time of the year running 9psi. There for it leads me to believe you have a boost leak but the turbo is still trying to boost the same amount of pressure into the intake. While trying to do that the air is just leaking out so the turbo is pulling in more air to make up for the loss. This is why you are only seeing 9psi.
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deng, well I stand corrected. I had always understood that fuel cut was when your computer sees that you are running too lean, which in a lot of cases was usually caused by people pushing their little stock fuel pumps past it's limits. So by getting a larger pump, it usually helped in eliminating that. Guess I understood wrong, my bad. Sorry for the bad info.