I've ran the diagnostic on my car a couple times and before it said the egr wasn't working right, but i replaced the sensor and now there is no error codes that come up, it just says system pass. However the car is still running like ****, and still very slow at high rpm. Could it be a vaccum leak or is it a fuel problem?

 

for you that sounds like a fuel problem mabye your fuel pump is slightly clogged or injectors are performing at their best.....for my problem running lean I dont know I still need help.