Recently, the acceleration body washed to a 4.9L 6 engine online of the American Ford 1990, because it went out, but after I put it accelerated, you try another solenoid of the valve by pass and not low, change the temperature sensor and not low.
I forgot to check the hoses that go in the admission are usually cut in the necks wears that they are shaped like l, they already cut and suck air and the truck is accelerated you have that first Czech that you do not have false inputs of air, then the TPS