'07 M8 surging at full throttle

[RushtheRocks]

Revs between 6000 and 8000 ish up and down up and down sputters intermittently???? need ideas...

 

[gibsons]

check and clean your power valves. they're suppose to open around 6200 i believe, start there anyways.

 

[wolfer]

Check to see if your vent line to the ECM is pluged or pinched off.

 

[WaBackcountry]

Second on the power valves.

sent from my bag phone