Had to put a engine in my ford another 4.6 I had to change the throttle body all 4 O2 sensors MAF sensor EGR valve and the injectors. I think my catalytic converters are clogged cause I lost all power driving it and my valves rattle too could that be it or is the mechanic right on me needing a engine due to the " so called EGR valve" being stuck open and burning my cylinders up? Need to know!
Read more: Is the mechanic right or is he wrong?
