Good oil pressure for the first 15 miles than 0 oil pressure at stop sign or idle speed,1200 rpms 5 lbs,2000rpms 35lbs has had a new oil pump,checked main bearing good,new sending unit,doesn't burn oil,runs good,no noise in motor,no oil in the radiator,or no water in the crankcase. what is the problem with this 4.0 jeep engine? ps It doesn't always go to 0, oil pressure at idle 3 to 5 lbs sometimes.
Good oil pressure for the first 15 miles than 0 oil pressure at stop sign or idle speed,1200 rpms 5 lbs,2000rpms 35lbs has had a new oil pump,checked main bearing good,new sending unit,doesn't burn oil,runs good,no noise in motor,no oil in the radiator,or no water in the crankcase. what is the problem with this 4.0 jeep engine? ps It doesn't always go to 0, oil pressure at idle 3 to 5 lbs sometimes.
- Gary V., Leighton, IA, US