Oil Pressure HIGH |
02-22-2016, (Subject: Oil Pressure HIGH ) Post: #1 | |||
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Oil Pressure HIGH 2009 Cummins ISX CM871, rebuilt with new oil pump 150,000 miles ago. had normal Oil pressure Idle 20psi 1300rpm 40psi Then one day after pulling a grade I noticed high oil pressure 1300rpm 60psi and fluttering up/down After I shut down for a few hours, I started the truck and ran 6 hours home while it had normal pressure 20 idle/40 @1300rpm Put 1 gallon diesel in the oil 30 miles before oil change shop. Oil changed. Started truck oil pressure stays at 40psi idle thru 1800rpm Shut down for a few days, changed Oil Pressure Sensor and restarted engine. Still has 40psi oil pressure at idle. What do you think is the problem? (PS I did NOT do the coins in the oil plug mod like some did to raise oil pressure) | |||
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