One problem related to vehicle speed control has been reported for the 2008 Mazda CX9. The most recently reported issues are listed below.
I am reporting two incidents of engine revving that occurred without my foot on the accelerator. In the first incident (Sep 2015), I started the car in the driveway. After a couple seconds, the engine started revving really fast even though my foot was on the brake, not on the accelerator. I remained in park and turned off the ignition. After re-starting the car, everything behaved normally. In the second incident (Dec 6, 2015), I started the car, put it in reverse, and was backing up in a grocery store parking lot. The car suddenly acccelerated backward with the engine revving. I was able to stop it by depressing the brake hard, and then changed the transmission from reverse to drive. The revving stopped and the car drove normally after that. I felt lucky to have stopped the car, however, and it went backwards further and faster than wanted. I checked the floor mats and brake/accelerator area for any objects, and everything was in the correct place. I have not yet had the car evaluated by a mechanic or dealership, but now plan to do that soon.
| Car Accelerates On Its Own problems | |
| Vehicle Speed Control problems |