i have a 94 civic with a b18 runs real good idles fun i love it buuuuuuuuuuttttt it seems to struggle in the high rpms when it gets to 5 grand it seems like thats all its got it doesnt cut out or nothing like that it just seems like it revss out there and struggles it still has the stock civic fuel pump i was told to change the fuel pump to walbro its not getting enough fuel for the bigger motor in it

 

Does the check engine light ever come on while driving?

If so do you know how to check codes, and have you?

 

yup sure does it stays on all the time and how to check codes im new at these im use to owning turbo daytona older cars these are totally diff so please reply back

 

Well you don't need to change the fuel pump. I have a LS motor in my 94 DX with my same fuel pump and it runs great, and to check your codes just go here: https://honda-tech.com/zerothread/1901557 Goodluck

 

ok cool thanks for everyones help i will check it out and i will let you all know