Hey people newbie here to passionford got a 1.8 zetec its developed a missfire and wont rev without spluttering ive changed coil pack, leads, plugs, fuel filter & air airflow meter but still hasnt solved the problem got a bit of a head scratcher on my hands lol any advice is appricated

Thanks in advance

 

I would get fuel pressure checked.

 

cheers bud av got a diagnositc guy comin in the next few days hope its a quick and cheap fix