Question about 2009 Lincoln MKZ
There's a couple of things you can try. You could have a bad oil pressure sender or a bad gauge. Without spending a lot you could replace the sender unit. If the gauge is defective, it is more expensive and the new sender was a waste of money.
You could have someone put on a pressure test gauge which would be threaded into the hole from removing the oil sender. This will tell you if the oil gauge and old sensor are accurate. If the readings from the mechanics add-on gauge are still low, then you have an internal engine problem.
A mechanic will cost you to hook up a test gauge, and you still may have to buy a new sender. Probably the best thing is to do is install a new sender yourself and if it works you are done; if it does not help either go to a mechanic or replace the gauge.
An internal engine problem could be an oil pump, or bearings.
Posted on Apr 26, 2014
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Posted on Jan 02, 2017
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