hey yall,im coachbwilks from grand junction colo. and im havin trouble with a low oil pressure in my new used truck at low rpm's after it has warmed up above 165 deg.. i was in hopes that someone else out there has ran acroos this before i really start troubleshootin.it is an 06 gmc slt sierra with 206k miles and i run rotella 15w40 in it. oh ya its a 2500hd.look forword to hearing from some neihbor.[spelling?]