Ok , I am back, Corsica 96 2.2 automatic, replaced plugs, wires, coils, ignition module, map sensor, coolant sensor, fuel injector on number three, pressure regulator, and I still have misfire on number 3 when cold engine sometimes. HELP? and question can crank sensor cause misfire on #3 at times???? Help please, its driviing my husband crazy??? ha!!!!