hi ,i have a 93 impreza wrx jap import im running it on shell optimax the car drive ok all through the rev range on part throttle but if you press the throttle to the floor the engine cuts kicks back in then cuts then feels like there is no power does any one no what could be wrong thanks neil5536

 

Do you have a boost gauge, if so whats it telling you?

 

no dont have one fitted

 

do a search on here for "fuel cut", see if it sounds very similar to what you are experiencing

Andy

 

yeah fuel cut sounds simlar what causes this