I drove it last week and I pulled into the light company and when I pulled out I lost all RPM and it just shut off.

Sometimes we'll go into gear and sometimes won't it's an automatic. Starts up perfect every time but since I've had problems with the transmission I'm also getting a bubbling noise when it warms up

Rpms fluctuates when cold doesn't want to stay running when cold

Driving along windows go down slow, lights dim. Engine stops while driving.

I did in the above quesition