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Originally Posted by Brutal 370Z
Hoping someone can explain this issue. My 08' g37s coupe AT has been wanting to rev on it's own when I'm stopped. It's pretty scary! I'll be at a stoplight and the throttle will start to rev and jerk the car. I have to hold down the break real hard or put it into park to keep it from speeding forward! Also, I've noticed that when the car automatically downshifts, it's very rough and it seems to jerk forward quite a bit. Could this be a transmission issue? If so, what exactly is wrong and is it covered under warranty?
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Had this problem on an older Z and it was the accelrator linkage sticking. Was able to fix it my apply lube to it. don't know for sure if this is what is causing it.