I AM TRYING TO FIND OUT WHY MY 1990 DODGE B250 CRANKS AND RUN SOME TIMES AND SOME TIMES IT CRANK AND RUN AND STOPS AND NOW ITS GOTTEN SO BAD THAT IT WONT RUN AT ALL I HAVE CHANGED EVERY THING THAT I COULD THINK OF EXCEPT THE COMPUTER OK HERES THE LONG LIST OF THINGS I HAVE ALL READY CHANGED MAP SENSOR.THROTTLE BODY SENSOR,PICK UP COIL,DISTRIBUTOR FUEL INJECTORS SPARK PLUGS AND WIRES CAP AND ROTOR AND IT STILL WONT START AND STAY RUNNING OH YEAH I ALSO CHANGED THE ASD RELAY TWICE NEXT I WILL TRY THE FUEL PUMP I KEEP GETTING CODE 42 I WAS THINK MAYBE I SHOULD BUY A COMPUTER NEXT THIS SEEMS TO BE A COMMON THING WITH THESE DOGES DO ANY ON OUT THERE KNOW WHAT THIS PROBLEM IS AND WHY THIS IS HAPPENING PLEASE HELP ASAP
MY 1990 DODGE B250 STARTS AND SHUT DOWN EVERY TIME I CRANK IT WHY IS
THIS HAPPENING