Acceleration-mazda 1.21

Two days ago I got a Mazda 1.21 to correct a noise, this came from the water pump; We replace it and problem solved.
The next day he came back saying that the car accelerated a lot without pressing the pedal.
The vehicle is monopunto and they have told me that it can be the MAP sensor.
What theory and solution would give me.
Thank you so much

Hello, when the Map fucisates badly to have fault codes checck Engine dash light. If there is no checking mangains in the admission.

The MAF does otherwise if you disconnected the battery, the IAC may be unregulated