The symptoms are: the engine starts but does not maintain slowed down, and if it does it at 530 0 545 rpm, it does not develop, in climbs it is stuck, and the engine does not develop and tends to go out ... the pump was checked and it is excellent, coils, spark plugs, spark plug wires, IAC, MAP, CKP, KS subtitled, and the problem persists. The truck is zero km ... please help ...