what ground wires on the computer do i splice in extra grounds for to help this problem? also what are the ground wires on the secondary injectors that i splice in extra grounds for?

There is a ground that goes from your wiring harness to the top of the one rotor housing under your upper intake manifold. That should help the problem.

from what part of the wiring harness??

If you are talking about splicing extra grounds into the ECU's wiring harness, the ground pins are 2C, 2R, 3A and 3G. What I did before I added these grounds was to test each one with my voltmeter. All should be reading -0- volts. All of mine were, so I didn't add any spliced grounds. If yours are showing a voltage reading other than 0, then you might benefit from adding a solid ground to the cars frame.

alright cool cool, how do i check wich pins are what tho? would they be lettered and numbered?

Unfortunately, the pins aren't lettered and numbered. That would be too easy. However, in the FSM in the section on Fuel and Emissions, there is a diagram that shows which pins are which.