okay my engine only goes to about 3800 rpms and then no more power i hate it ..... could it be an o2 sensor? maybe? i need help . im trying to learn more about my 7 but having problems with it bothers me as it would everyone....im 17 and this is my first car even though it has problems im still in love with my 7 thanks for all your time anything will be appreciated .......

go canes !!!!

87 n/a
gutted cats <~~ ut ohh its alot faster now !!!!! lol

 

Your secondary injectors aren't working, or the 6 ports are stuck. Does it have no power at all, or just a hesitation? If its no power, its the injectors.