yiyo61 Posted August 8, 2022 Share Posted August 8, 2022 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!! Quote Link to comment https://www.bigmacktrucks.com/topic/70248-low-engine-oil-pressure/ Share on other sites More sharing options...
upsman Posted August 9, 2022 Share Posted August 9, 2022 About where mine runs I got 700k on it. Quote Link to comment https://www.bigmacktrucks.com/topic/70248-low-engine-oil-pressure/#findComment-505673 Share on other sites More sharing options...
tjc transport Posted August 9, 2022 Share Posted August 9, 2022 sounds ok to me too. Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/70248-low-engine-oil-pressure/#findComment-505714 Share on other sites More sharing options...
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