oil gauge reading low no oil light on no knocking
My car has 168000 miles.
My car has an automatic transmission.
This may be a couple of things. Start with checking the oil level to be sure that you are not low on oil. You may also have a leak somewhere, so you will also want to check for leaks under the truck and on and around the engine. If none of these are the case, it is possible you may have a faulty oil pressure sensing unit, which is not uncommon. A certified YourMechanic technician will be able to come to your location to inspect this oil level issue, or replace the oil pressure sensor if it is faulty.
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