1993 Mazda MX-6 "test 93 mx6 coil" Questions

93 mazda mx6 (v6) no spark. checked for voltage at distributor checked coil resistence, replaced ingniter. still no spark. Coil resistance is not a good way to determine if the coil is good or bad. It

93 mazda mx6 wont run. will start but runs very rough and only for a few seconds. plugs are black and getting too much fuel. I replaced the fuel pump, fuel filter, fuel pressure regulator. I think the

...93. V6 Mazda MX6 I,ve replaced the distributor and still no spark despite finding power going to the dizzy red with black stripe heavy cable also power at the white with black stripe. all earths ok. ...