I got a 1989 2.3l mustang. When I start it it runs for about 30 seconds then it acts likes it shuts off. I have changed fuel filter, fuel pressure regulator. Fuel pressure is around 35psi constantly even when it dies. Also getting like black watery soot out the tail pipe. My code reader gave me a 83 code in KOEO and a 14 in CM. The book says map sensor, but not sure about the 14. Any help from some guys that know? Thanks
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