What is the PSI of the fuel pump?
What is the PSI of the fuel pump? My psi is 43 at idle to 49 at about 2000 rpm, must be my hesitation problem, although when I unhook my MAP sensor car seems to run fine. Heard that low fuel pressure will bring up a MAP sensor code. Does that sound logical? How to test the performance of a fuel pump? Now start the engine so we can test the performance of the pump. While the engine is running, the fuel pressure should drop about 5 psi, from the static prime pressure (DPI) then snap the throttle, the fuel...