8.3 Cummins low oil pressure at hot idle
My 8.3 Cummins has low oil pressure at hot idle . I installed a mechanical gauge on the engine to make sure that it wasn't the dash gauge. It idles at around 8 to 10 Lbs. when hot . As soon as you bri...
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this seems to be a problem with some coaches mine was a gauge and low oil pres warning sender issue (94 am eagle) gauge showed 0 psi and warning light would flicker checked with a accurate gauge in the oil galley light would flicker at 15 psi cummins min spec is 10 psi I raised the idle to 750 rpm and solved the problem that being said before I did that I changed the oil pres regulator and spring and the oil thermostat both are located in the oil cooler housing I have put about 5000 miles in the two years I have owned it
also make sure you are using 15/40 diesel oil
also make sure you are using 15/40 diesel oil
