THE CHECK GAUGES LIGHT COMES ON MY 2001 DODGE RAM AFTER IT HAS BEEN
RUNNING A WHILE. WHEN THE LIGHT COMES ON THE OIL PRESSURE GOES TO 0.
IS THIS CAUESED BY A BAD OIL PRESSURE SENSOR OR COULD A BAD HEATER CORE
BECAUSE I NEED TO CHANGE IT ~!!!!!!!!! PLEASE HELP!!!!