Help..rpm bouncing and slow acceleration
 

Thank you in advance for reading my post. Help. I have been researching for weeks with no answers. No one has seemed to have the same issues. I have an automatic 2006 mazda 3 with almost 128k miles. The last 3 months my car has been riding awkward. I thought my transmission was going. The car will idle pretty low almost to 0 when at a complete stop. The rims don't seem to want to go past 2500 even as I was at 75mph on the freeway. The needle bounces, it will drop 500-1000rpms while I'm accelerating. when I brake to stop it will go directly from 3rd gear to first skips 2nd gear every time! Sometimes the front of the car vibrates during acceleration over 35mph. I have no clue what is going on. My check engine and at light kept going on and off a few weeks ago. My mechanic said it was my transmission sensor so it was changed. Weird shifting and rpm issue still happening. Fluids are good no sign of leaks . Clueless ..help

Hi

Just wondering if you found the solution. My car is doing a very similar thing and I can't work out why it's doing it.

hi. i have a mazda 3 year 2004 and while driving the rmp needle goes up and down while accelerating. what should i do?its an automatic one