peugeot 205 gti - not starting - love classic fords

Hi folks, i have read some posts about starting problems, and i just want to make sure im going to do the right thing, my 205 gti 1.6 turns over, plenty of petrol, air flow meter works, sparks on all cylinders but wont start, now ive changed the ignition amp as sugested, after reading previous posts, it looks like i have to replace fuel pump relay, as there is plenty of fuel getting through im not so sure, thanks in advance for any help ;-)