hi all my ef is goin through a lil stage at the moment when you start it it fires up then dies? its on gas but will do it on both its about the time it switches over to gas like its fire up then dies i just did plugs and it only done 20k from when i put a new motor in and had the gas system redone with a new converter

so what else could make this happen?

is the throttle body clean?

Gab

i looked at that and i was cleaner then i hav ever seen it (up to the butterfly) i didnt bother opening to look ferther? its just started do in it in the last few weeks i run it on gas most of the time but it only ever gets 98ron as fuel any other time

hav u checkd fuel pump, Fuel line pressure? Wen udid plugs did u do leads also?