The cars been running fine then yesterday felt like it was goin to cut out whilst driving steady and also wouldn't boost full was around 0.9 and usually boosts at least 1 - 1.1 anyway carried on randomly feeling as though it was going to cut out did an error code check and 22 23 24 I think came up did an ecu reset later on went for a drive let it warm up gave it a bit boost almost normal around 1 and also no hesitation or wanting to cut out checked error codes when I got home after about ten min drive and no codes at all now what's the best thing to do now just keep driving and keep an eye on it or get knock sensor and maf but not sure how to cure the other code which was idle control malfunction car is a 95 wrx with 3" turbo back exhaust k&n filter and fujitsu chip similar to polar map I believe only thing recent iv done is clean the engine bay with degreaser but covered up electrics and filter etc etc please help cheers pete

 

Started doin it again today and actually cut out went home cleaned the maf which was surprisingly dirty and all seems well up to now so hopefully cured but any advice would be appreciated

 

300squid later got a new maf sensor and back running sweet thanks for everybody's help and advice