On the way to work this a.m. I gassed on it a little and it slowed down. Black smoke was pouring from pipes. If i gently squeeze on it, it does o.k, full throttle is sick. It has 54k on it, wastegate actautor was replaced due to overboost. runs fine until turbo is engaged. Bad turbo, o'rings, solenoid?? This is my baby, making me sick to have to drive it but have no choice. Will I do more harm?? Thanks and am glad to be a new member.