NEED HELP, PROBLEM
I have a big problem. Here ya go. 2003 F250, 6.0 Stock. When I accelerate pretty hard to get on the highway or am crusing down the highway 70-75mph. accelerate to pass someone the truck starts to buck and throws a trail of blackish grey smoke. I replaced the airfilter, fuel filters, cleaned the EGR. I took it to the dealer and asked them to see if there were any codes, they came back and said 2 codes. Weak or bad VGT, and the TURBO was binding up. I had them to the injection cleaning aswell. I bought a known good VGT and a rebuilt TURBO. installed them today. Went for a ride, Sam frickin problem. Nothing changed. Does anyone have any ideas. Thanks.