Oil Pressure Bouncing Around
I have a 2005 GMC Envoy with 175K miles. The oil pressure dropped to 0 and the "STOP ENGINE" light came on. I pulled over checked the oil and it was good. When I got back into the truck the oil pressure was normal again. I done some research and everything pointed to the oil pressure sensor, I changed the sensor and on the first trip out the oil pressure started bouncing around again. Has anyone had this problem and what helped?