nissan versa 2009 1.6L automatic problem??

[kimo707]

please iam having a problem with my car which i cant identify until nw i checked the car twice with the diagnoises computer and checked the fuel pump and air mass and i dont know maybe its spark plugs , i will tell you the problem nw : when press on the pedal accelerating normally the rpm rises smooth tell the end but on heavy full acceleration it cant pass 4500-5000rpm and make sound like poping and this happens on park or drive the same and also sometimes i make a heavy acceleration and the problem appeared and i stop then accelerate again the car dont pass 2000rpm and after seconds it continue accelerating with cutting not smooth but this happens if i make a one heavy acceleration which i told you about ??

[VersaFromHawaii]

Any Updates?