Hi Guys i had the car running for 5 minutes yesterday but i had to hold the revs up if i didnt it will switch of it fires up after i give the metering unit a shake and the coil a shake a really good wobble then it fires up but to keep it on i have the hold the pedal down reving it if i let go it cuts out, what can be the problem ???

i have cheked all pipes no air leakes dipstick is right in also oil cap is closed when i was reving engine sounded really nice the dump valve was all good so all strong.

any help ??? much appreciated thanks.