Rough Idle, Stalls with throttle
 

Just built an EJ257.

First start-ups went very well. Oil pressure was good. Had good throttle response. Was very happy and couldn't wait to test drive it.

But next day I wanted to look at it more closely by logging it, and then it started doing strange things :(

First thoughts were fuel pressure and fuel filter, but fuel pressure is good and after I replace the fuel filter with a new on nothing changed.

Got compression on all cylinderes.

g/s, coolant temp are normal
g/s go higher when stepping on the throttle, so throttle works.

Final fueling base (estimated afr) is quite strange, jumps around, like the rpms do.
Sometimes timing also jumps around a bit.

Also swapped to my old (stock) injectors and flashed an old map.

http://img5.fotos-hochladen.net/uplo...7igq9pfj1o.png

http://img5.fotos-hochladen.net/uplo...zo9yqkivs0.jpg


Hopefully someone has an idea, what it could be either mechanical or electrical.

Thanks in advance