Hi All
I don't know if I'm being too fussy with my XFR, she runs great if driving it, pulls hard, doesnt misbehave.

However, if you pull up after driving and raise the revs to around 2k or over she will run very lumpy.

It's had spark plugs , and bg44k injector cleaner through it . Fully serviced , MAFs cleaned. No intake air leaks , no fault codes.

I'm guessing either coil pack replacement or injectors out and cleaned ? or are they just like this ?

Thanks for any help.

Pete

 

Fixed . . Ditched the K&Ns, cleaned MAFs again..

Bloody K&Ns!

 

It's not the K&Ns, it's the over-oiling of them that is the problem.

 

Yep... I deff over oiled them ... my fault.