Hey everyone im new to the forum and i was wondering if anyone had this problem in their infiniti g35 coupe before and knows how to fix it so i had this problem when i bought the car i took in a long drive and the car started acting weird and stalled when i was on my way home and then i changed the spark plugs and the car worked perfect i even took it in long drives and nothing the car worked perfect but recently it started doing it again has anybody had this problem or know whats wrong ??

 

Clean your throttle body.

Clean your MAF while yer at it.

 

Check PCV hose that goes from the back of the valve cover into the intake tube. I bet it's cracked.