Why is my motor hopping and skipping under a load or into the wind?

What is your question?

The comp is not throwing any codes, and I've replaced the plugs, wires, distributor, the electronic ignition switch, o2 sensor, crank sensor, cam sensor, fuel filter, air filter, and checked the fuel pump. I'm out of ideas, and can find nothing online and the shop couldn't figure it out. It happens every time it's in gear and I'm on the throttle. If I let off or stay at idle or in neutral it doesn't act up. But but into the wind or under a load it gets worse. Any ideas anyone?