Need Help Asap

[skizza r34gtt]

Hope someone can help.I changed a fuel filter (ryco z200)on my wifes r34gtt and the car splutters now and shakes on idle,i cheked everything i can see in the engine bay like hoses and clips and its all good.I just done a self dignoses and i got code 55 which is all good.What could it be if someone can help asap ,because she needs the car to take kids to school tomorrow.I can put on a video if needed.thanks

[blind_elk]

Might be a stupid question, but did you put it on the right way?

[skizza r34gtt]

Might be a stupid question, but did you put it on the right way?

Arrow pointing up ,thats how the old one was

[Moodles2]

Probably damaged a vacuum hose while doing the filter, sounds like a vacuum leak

[reeceo21]

Correct me if im wrong but putting a NEW fuel filter on backwards wouldnt make it run bad just wouldnt be able to filter as much ??