Originally Posted by jimmy/taylor

Hello,had a 53plate focus cdti duratorque in the workshop for a broken glow plug(snapped off in head)! got that out but now it wont start!!!!! we had to remove the injector pipes and wires to expose the broken glow plug,its all been reassembled correctly,bled up and the 4 new glow plugs are working but wont run properly? it just seems to run on 3 and 4 cylinders. with it running number 1 and 2 injector wires can be unplugged to no effect but touch 3 or 4 and the engine stops! can anyone throw any light on it? its doing everyones head in now!!! could it be the injectors need re- programming after theyve been unplugged?