I think i found a solution to the EGR problems. I got a P400 code which is EGR flow malfunction. What i did was took out the EGR valve, sprayed it with some carb/chock cleaner and brushed off the carbon deposits. Reinstalled it, you might need a new gasket. I think they were like $10. Reconected the vacum line and thats it. I took it out for a 30 min drive at all different speeds, mostly above 70, and that seemed to fix it. I havent gotten any codes so far. Hope this works for you guys.

http://shbox.com/1/oil_pressure_sensor.jpg

Its the black roundish thing, it has 2 bolts 13mm i think.

http://shbox.com/1/egr1.jpg

http://shbox.com/1/op_sensor.jpg

http://shbox.com/ci/AIR.jpg

 

or delete it lol