Hardwired obd1 plugs to a pre obd ef harness. Ran car fine for 3 days. Now it dies and wont want to start. Allways does start eventually but it seems to be a spark issue. Plugs are black *** hell reak like gas. It will sometimez run for 2 seconds or others 20 miles just dies out of nowerw. High rpms idle up dow standing idle doesnt mattrr. Has codes for iat egt map eld but sometimes changes to others and not these ones. Just falls on its face no sputtering or misfiring. When running it purs... help