Air Conditioner problems of the 2004 Suzuki Verona

Consumer had to put a new engine in the car. The check engine light came on before they replaced the engine. The engine light came on 4 times on after they replaced the engine. They replaced some of the sensors. The car was jerking and cutting off every now and then. The consumer noticed the car was riding differently. The ignition has a buzzing sound. They were supposed to fix the tachometer. The air conditioner doesn't work. The drivers side window would continue go down. Smoke was emitting from the exhaust.

The consumer's vehicle stalled while and resulted in an accident. The pcm was replaced. The rear brake lights would not turn off. The stalling problem was recurrent. Other problems were; the vehicle would cut off in traffic, the vehicle made noises when the a/c was on and when turning right or left. The oil seal, gasket and engine assembly was replaced due to en an engine knock.