My mk2 golf gti is stuttering all over the place

[ReillyGti]

Hey I have a mk2 golf gti 1.8 16v and had got it back on the rd after the head gasket went and it was going gr8 for a while but now it's started stuttering and is going slow don't know WTF is going on any it needs a load of rev to get it moving and it will just cut out some times for no reason ideas ppl

[matping]

whats the symptoms bud ? smoking? missfiring? using oil ? water ?

[lemski]

Fuel blockage? Crack of the inlet into the metering head. Its at the front. 17mm spanner. Then turn ignition on and it should shoot out if its not blocked. If its blocked it'll be less.