My friend has got an 89 Maxima sohc 3.0 that won't start. I checked for spark and there is no spark at the coil. Does anyone know what I need to check next? What can I check that is before the coil? He doesn't have any manuals or anything on the car. He has like 200,000 miles on this thing. Is there a crank sensor on these? He said it was running fine, then came out to start it and nothing. It cranks but no start. T.I.A.