Baz our 1992 Talbot petrol moho is refusing to start. We had a flat battery on Sunday and after a jump start he struggled to get home without stalling. I've since put in a new battery and he started first time but then cut out after 30 seconds and has refused to start again since then. The starter turns over nicely but the engine just doesn't catch. I've changed the ignition coil, distributor cap and rotor arm but when I pull a spark plug and turn over the engine there is just no spark. Any ideas as to what to check next?