My 89 Buick 3.3L engine has started to stall. I just fixed the car for the no start problem. After I fixed the no start problem, I tried to drive the car and it just stalled on me when I took off. The car has new timing chain,spark plugs, wires,fuel pump, fuel filter, and a maf sensor from the junk yard. The car stalls when I first take off. It will first sputter then stall when I press the gas for take off. Please I need help with this car.