Worn main crank bearings or worn out oil pump .
SOURCE: how to replace valve cover gaskets on 1995 BMW 530I
sounds like a leaky oil presure switch. they will leak oil out of the wires comming out of them sometimes saturating the connector of the switch. If that isnt the problem then your oil pump is weak causing the lite to come on or your leak is so bad your oil level is so low the lite is coming on
SOURCE: We just changed the oil
The most common cause of no- or low- oil pressure indications isn't the failure of the oil pump or a blocked filter (these all have bypasses) but the failure of the sender/sensor providing the input for the sensing circuit.
Apparently, this also applies to the top-end cars as well.
Oil pressure gauges showing an actual range of pressures are far more reliable but more costly to make.
The majority of sensors used are primitive devices using a disk of metal that 'clicks' at pressures above a few pounds to keep the warning away and when these fail, they generally close a conductive path to 'send' the no- or low- pressure signal for the warning.
These are normally not costly items to replace.
SOURCE: where do I find oil sending unit on a 2001 BMW
Full oil does not mean that you have oil pressure.
The sending unit is located right by the oil filter mount.
It is very possible that you have a bad sending unit, gauge, or actually do have low oil pressure...best to have pressure checked by a good mechanic
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c
1,186 views
Usually answered in minutes!
×