1998 Mazda 626 "bj5p" Questions

Hi expert I recently bought a Mazda familia bj5p 2001 model automatic transmission car its gear changes to 4th at speed 60km/hour(but according to my knowledge in other AT vehicles it occur at 50km/h)

Mazda Famila BJ5P My problem is the AT gearbox. When put to "D" and drive the gears are shifting from 1st to 2nd and there onwards the car gets braked automatically and the "HOLD" light blinks. At ...

The rpm fluctuates at idle Hi, I have a Mazda car bj5p model, (like 323, 2001), The rpm fluctuates at idle and when I take my foot off the accelerator paddle. Sometimes the rpm goes down to about 200 ...