My camry has begun to bog down on acceleration. When it is idling it will sometimes continue fine, but other times it seems to idile irregulorly. At times it will die. The air conditioning has an effet. at stop lights if the air is off the car will pick up and go discently. If the air is on the car will seem like it’s losing power and sputter. We have replaced the timing belt, plugs and wires, distributor cap, intake filter, map sensor, and fuel filter. We are cluless as to what is wrong with it. We’ve had it checked out and there are no codes on the electrical system. Any input would be greatly appreciated.