RUNS LIKE CRAP,VOLT METER READ 9V ON DASH.BATT & ALT READ 14.3V NO CODES??

What is your question?

JEEP RUNS LIKE TIMING IS WAY OFF. BATT & BACK OF ALT READ 14.3V.DASH SAY 9V MILS GO IN & OFF(ok before it ran like crap) . ECM HAS ALL GOOD VLT & GROUND SO DOES CLUSTER. PUG IN SCANNER ON CODES,(NO TRIP,NO HISTORY,NO CURRENT)BUT RUNNING VERY RICH ECM READ INJECTORS AT 9-19ms. FUEL PRESS. OK COMPRESSION OK NEED A SECOND HEAD OR 3 OR 4 OR 5 PLEASE THANK YOU????????????