Well I went through the owners manual again today and in the section about gas it says that a slight spark knock under acceleration or going uphill is normal, but I dont like it, so my next question is how do you do the ecu reset, or should I do a search.

 

here you go:
https://g35driver.com/forums/showthr...eset+procedure

have a watch handy... it helps a lot. good luck.