Sounds like the right rear sensor has gone bad. It slows down because the sensor thinks the car is sliding, and cuts power.
You need to replace the right rear hub to fix the issue, as the sensor is built into the hub.
Have you tried pushing the traction control button to override, or shut off the traction control?
I currently have a similar issue with one of my Saabs, but I just shut off the traction control to avoid the power cut off.
You need to replace the right rear hub to fix the issue, as the sensor is built into the hub.
Have you tried pushing the traction control button to override, or shut off the traction control?
I currently have a similar issue with one of my Saabs, but I just shut off the traction control to avoid the power cut off.