Hi all, 
Ive had my gti for a month now and love it, its had all the usual failures replaced since i bought it (cam follower due to be done this weekend) however I try to avoid wherever i can but where it is unavoidable whenever i hit a "substantial" pothole, the throttle becomes very unresponsive and jerky then the engine cuts out. I turn it back on but no better. If i leave it about 30s  all is good again. 
Any ideas what it could be. 
My mate said it could he a sensor but im thinking it may be a fuel issue? Help please
Thanks in advance  
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