Quote:
Originally Posted by maxwedge
The right thing to do here is to actually check the oil pressure with a gage when first started, if ok the bcm is getting or giving false info. Then the next step is a possible bad sender, so your dash gage shows numerical good pressure, but a warning lite comes on?
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Thanks for the response.
Mrs. Cusser drives this, I took a look. The oil pressure gauge works fine, takes like 2 seconds after first start up to get to proper pressure and remains GOOD, so I think that the sender itself and oil pressure itself are fine (engine has not self-destructed). If the oil sender was easier to access, I'd think about just swapping in a new one.
There is no "oil light", original post has that mistake; there is the gauge and the information center (DIC) actually has stated "oil pressure low" at first start up of the morning, and seems to be doing that more lately.
I'm due for oil change on that anyway, already bought the 5W-30 synthetic oil and a Wix filter, think possibly that the drainback valve in the existing oil filter isn't closing fully, causing a momentary "oil pressure low" message that does not come on if she shuts off the engine and then re-starts it.
I wonder if at 200K miles that a higher-viscosity oil would be warranted.....