Misfire/hesitation
 

hi guys ive got this problem if i accelerate hard in 2nd upwards on boost sometime it misfires or seems to hesitate then lose all power for a moment then is back on it again??


Ive cleaned the maf and bcs out and i'm awaiting new vac lines in the post to come.

could a worn fuel pump maybe be the issuse?? its a 94 wrx import