Do you have a factory Service manual? Book style or they are available on disc. Make sure the throttle body is Cleaned. If you do not know how to do this - STOP- and watch a few videos about it - You will learn not only WHAT TO DO- BUT WHY YOU ARE DOING IT. Once done road test. Still got same problem Get a quality fuel pressure guage. Attain the PROPER specs. ( see your SERVICE MANUAL) and test it. Improper fuel pressure is a reduced amount of fuel ( like a bad accel. pump in a carb). It might also be dirty injectors and? Your Service manual will have a sequence to follow. Cleaning throttle bodys and injectors are basic thing to try, and should become part of your "normal Maintenence. More info here would also help. "Bogging from hard acceleration" ? only from a dead stop?, Only from low speeds (20-30 mph not at upper speeds50-60? All the time? more so or worse at cooler air temps. Cooler engine temps. ETC. Hard accel. ? Healthy stab of the throttle, foot to the floor.
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