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 | 02/11/2010 | | Low Oil Pressure in a Jeep Grand Cherokee | | I have used Mobil 1 Extended Performance as long as it has been available in my 2001 Jeep Grand Cherokee 4.0 4 wheel drive SUV. I now get low oil pressure alarms after the engine becomes very warm. Ga... |
|  | Have you asked your mechanic about this issue? We would start with looking at the oil pressure-sending unit. We think there could also be some other mechanical issues that may be causing this issue. ... |
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 | 02/08/2010 | |  | Oil pressure will vary somewhat depending oil type and viscosity grade. There will also be some oil pressure change versus engine speed, which is not unusual. We do not think you have an issue to worr... |
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 | 06/15/2009 | | Keeping Oil Pressure Up in a Chevy Truck | | My daughter has a '98 Chevy 4x4 truck with 127,000 miles on it. After the oil gets hot, the oil pressure drops to around 20 lbs. She runs 5W-30. Short of rebuilding the engine, would it help to run hi... |
|  | It is not unusual for a higher mileage vehicle to run at lower oil pressure and this alone should not be of any concern. This is primarily due to larger clearances due to normal wear and tear. We reco... |
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 | 10/16/2007 | | Is Synthetic Oil Responsible for Low Oil Pressure? | | I recently used Mobil 1 in my 1991 Miata. Oil pressure at idle was extremely low, which worried me. I replaced it with standard oil and the pressure came up within normal low ranges. This is not the f... |
|  | Oil pressure is directly related to resistance to flow. Because of the lower resistance to flow that synthetics offer, the oil pressure will generally be reduced as well. Lower resistance to flow al... |
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