fill limit vent valve inside tank is the issue if nozzle clicks off.

 

TinsleyC is correct. I usually fill up at Costco and it happens sometimes-not all the time. I usually lift the nozzel up a little bit and it seems to work fine. I have found that if I pump at half speed it usually works fine. This is NOT a big problem, in fact it's kinda fun taking more time to fill the tank, that way I have a chance to look around at the other folks checking out my beautiful black G37--and watching them drool. He He.
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2010 G37 sedan 7AT Black

 

I always fill it up with the barely on setting on the pump (first click to just keep it pumping) never have an issue.

 

I have only had that problem at a Hess station. It has shut off prematurely several times at the same Hess station, but no where else. Not what I would call a serious problem.
2011 smokey quartz g37/ premium/ nav/ 18" wheels

 

go figuere mine always does this

 

First time tonight it happen to me at a Costco station in my 2012 G37. It was near empty and I started the pump and 4 gallons into it, it would click. Tried several times to start it back up but no luck. So I started my car and drive to the filling station in front since they have two on each side and still happen so I just got back into my car and drove off.

I might try putting it upside down in one of the older threads that was posted to see if this fixes it next time or go with a slower fill.

 

Whenever it happens to me, I just fill the tank with half the nozzle inserted, seems to work every time.

 

Yup, same thing happened to me, and the dealer had to order that part to repair it.