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Ask Mobil Archive -
General Engine Info
DateQuestionAnswer
05/13/2012
What Can be Done to Stop Engine Knocking?
I have engine knock only on startup for the first minute or two; cold or hot weather. I am currently using Mobil 1™ 5W-20 in my 2009 Honda Pilot. Will switching to 0W-20 full synthetic quiet the knock...
Regarding the engine knock, moving to a slightly lower viscosity oil may not solve this issue. We suggest you consult with your mechanic to ensure there are no underlying mechanical issues.
07/14/2010
Is Mobil 1 Suitable for Natural Gas Engines?
Is Mobil 1 suitable for natural gas engines?
We could provide a more detailed answer if we had more information as it depends on the type of engine you are referring to. Large stationary natural gas engines are usually lubricated with engine oil...
06/16/2010
Difference Between Turbocharged and Supercharged
What is the difference between "turbocharged" and "supercharged" engines?
These two types of engines are very different from each other. But they serve a common purpose, which is to deliver more horsepower. But the difference lies in the way they do it. The supercharged eng...
03/28/2010
Likely Cause of Excessive Coolant Consumption
Why am I going through a gallon of coolant almost every two days? It's not leaking on the ground anywhere. I put coolant in and then water {just to top it off} in the radiator and I noticed the oil di...
It sounds like you have a cracked head or gasket issue. There are only a few places where coolant can go and seeing a milky color in your oil may be a sign of an issue.
03/11/2010
Should Oil Levels be Checked When the Engine is Hot or Cold?
Is there a "best" way to check the oil level? I have always checked the oil level with the engine stone cold. I recently read in an auto enthusiast magazine that oil should be checked when the engine ...
We recommend checking the oil level either before turning on the engine, or 5 to 10 minutes after shutting down so you can have all the oil in the oil pan to get an accurate measurement.
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