2007 GMC Yukon, Low oil pressure, In this video we did a manual oil pressure test also I demonstrated how to make a oil pressure test fitting out of an old oil sending unit sensor, we also did an overfill test with the rear of vehicle elevated to rule out a broken seal on pickup tube, checked factory spec for oil pressure, explained oil pressure test splitting the system in half by taking two readings in two different places, the oil filter housing and sensor area , LS engine , Troubleshooting

#howto #automobile #gmc