My 2000 eclipse rs will not accelerate properly doesn't matter if I slowly accelerate or floor it sputters and hesitates it starts around 40mph and continues its just really sluggish. I've replace spark plugs and wires fuel pump cleaned the MAF sensor and intake i have no clue what my issue could my friend who I got the car from the he had it scan and the p0300 came back on it i really could some help pin pointing the issue