Espace V6 3ltr Engine wont start

hi there all in the forum



can I get you help on this I have a v6 grand espace on a w reg with duel flue gas l p g



now the issue I having is for the last 3 weeks starting on the button all the time fist time. but yesterday I had a problem with starting it tuning over wont fire see was near end of petrel so got a can of petrel in too see if was that....

1 it then went ok as in starting 3 times in a row but now its back wont start at all the green flag man came and is saying looking like the crank shaft sensor but not test as car so old as in his hi tec kit don't go as fair back

so question is where is this and how much to fix if that is it any ideas what it is ?

2 I did think was fuel pump power as I not hear pump kick in as did when turn the key on as normal



3 I do have a tappet sound/ like on the engine but that comes and gos and did not stop the thing running but not oil as cheeked and is fine

over to you lot

thanks

andy