Just so you're clear, the warning light refers to oil pressure, not level. The sending unit is usually near the oil filter. Professionals would check the actual pressure with a mechanical gauge first, then replace the sending unit if the pressure was fine. Since most people don't have a pressure gauge, and since sending units aren't very expensive, buy the new one, then you'll know what you're looking for. If the light still turns on while you're driving, have the pressure checked by a mechanic, or you should be able to borrow a pressure gauge from an auto parts store that rents or borrows tools. The hose for the gauge screws into the same port as the sending unit is in.
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Wednesday, July 16th, 2014 AT 9:32 PM