[keithmac]

Mine happened before the car ever saw the Emanage (blue), I`ve had a result but it`s taken an Emanage to sort it for me..

I`ve richened it up into the 15`s where the lean miss occurred and it`s completely cured it, cars a joy to drive!.

Then I fitted 450`s and kept eveything else the same (apart from emanage injector size change) car ran 11.5:1 AFR on boost, then I hotwired the fuel pump - no other differences at all and the same run yielded 10:1 afr`s, can`t believe the difference the hotwire made! (this didn`t affect low load areas though..).

So to sum my problems up, for some reason the car dislikes 16:1 or leaner AFR`s on part throttle (even though it`s part of the stock map), increasing fuel in the missfire region to produce approx 15.5 AFR completely cure the missfire, best the car has ever driven!. The fuel trims do not seem to affect the part of the map where the miss occurs, so closed loop/ instant fuel trim can compansate for added fuel in other parts of the map and you still have richened up the 16+1 area.

The only problem if you do not have a fuel controller would be WOT, you could alter base fuel pressure to richen it up, close loop will take care of the lower end but you`ll be too rich at WOT.

Hope some of this helps you out?.