yiyo61

hey guys, i need little help pls mack '17 cxu613/mp8/415-automatic transm mdrive when starting engine in the morning(cool), or when idling around 1h(coolant-180*= oil temp-200* or less)=> oil pressure 45psi, but when running 70mph@1200rpm(coolant-195*) oil temp rises to 245*=> oil pressure-40psi & if stop: @650rpm=>20psi engine oil level/pressure-sensor in oil pan replaced, but issue remains any idea to solve this issue, pls. suggestions appreciated, thank u!!