Quote:
Originally Posted by DTAYLOR
It is not accurate. It has no pressure # associated with it.
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Not having numbers doesn't mean the gauge in innacurate, it simply means that it does not have a scale that you are familiar with. The purpose of an oil pressure gauge is to alert you if there is a problem with your engine from low oil pressure or high pressure, the number are irrelevant for day to day. If the gauge goes significantly above the line at 2/3, you know that either the pressure relief spring for the pump is broken or the sender is bad. If it doesn't come off the line at the bottom you have no pressure. It communicates all the things an oil pressure gauge should, so there is no need to modify it.