miss fire help

[cjrichardek4dr]

so ive got a miss fire goin on but its only up to about 4k rpms then it runs fine.. ive changed plugs, wires, coilpack, retimed it, swapped out ecus!? was bouta check injectors but any opinons or suggestions! its a d16z6 in and ek 4dr i had one before and ran fine but then i replaced with a better one and its doin this

[B13 SE-R]

Evap leak?

[WhityUO]

check your thermostat ground, hit that shit with some sand paper cause its prolly dirty like fuck

[Ekg203]

Check the dizzy

[jdmdikk]

Probably your spark plug wires or bad valve

["Rooster"]

Make sure your firing order is right,check dizzy,maybe plug wires just some thoughts

[PandaRacing]

Bummmmmmmmmmmmp

[high on ej6]

I have the same problem with my teggy!! Scanned it and I have a code for crank shaft position sensor...could be a bad sensor or the key might worned out

["Rooster"]

I have the same problem with my teggy!! Scanned it and I have a code for crank shaft position sensor...could be a bad sensor or the key might worned out

^this too