So I have replaced the fuel lines to injectors, fuel filter, air filter, overflow hose from tank to fill tube, pick-up tube, and fuel lift pump. It was great, and still does at low idle. But as soon as you give it more throttle it will bog down and almost die to die while black smoke coming out. It doesnt matter if it just driving or using hydraulics, it wants to die at high idle. Any thing come to mind? I used a cheap Amazon lift pump, so not sure if it may be not supplying enough fuel?
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