Has anyone experienced a sudden engine surge while in gear? Here's what happened to my G37x.
After driving nearly 5 miles, I stopped at a grocery store. After just 5 minutes, I was leaving the lot exit and had to stop and back up a little to let a car go by. After putting the transmission back to drive (my foot still on the brake), the engine suddenly raced and although my foot was pressing hard on the brake the rear wheels started turning fast trying to push the car forward. I quickly put the car in neutral and the engine continued at high RPMs for a couple of seconds before returning to a neutral idle.
I tried duplicating the situation to no avail.
I called the infiniti service dept., but they said they never heard of such an incident. It's not a floor mat issue with the accelerator.
Scary time I would not like repeated. If I did not have my foot on the brake I would have lurched out into the street.

 

MOOMAX had a similar issue. Here's his post..


So the other day in my 2011 G37x, I pull up to a stop sign after coming down a slow incline. At this point the road was completely level and after coming to a complete stop, I notice my car is trying to push itself forward! I look over at the tachometer and see it hovering between 1000 and 2000 RPM which is higher than it would be during a normal stop (normally it'll idle around 500 rpm). I look down at my feet to make sure I'm not accidentally hitting the gas, but my foot is no where near the gas pedal and is pushing firmly on the brakes only. When traffic cleared, I then slowly let my foot off the brake and found the car starting to move forward, so I stuck it into park then killed the engine. After restarting the car, all was well.
Has anybody ever had this happen to them? This could have caused a serious accident... I'll have the dealer check it out but I'm sure they'll come back with the usual "we can't replicate it" line that they used for issues in the past... (i.e. like with the shifting delay problem that they finally issued a patch for!)