I have a 2004 Subaru Baja 4 cyl non-turbo engine. It began using oil after 200000 miles in a strange way. It would be full then drop to nothing showing on the dipstick after about 2500 miles.
I replaced the engine with an A rated engine with 45000 miles on it. This engine does the same thing @ around 2500 miles after an oil change.
My friend has a Toyota and she said her car did the very same thing and they were able to remedy it by replacing the oil sending unit. Is this an option for the Baja engine? My mechanic says this is not the problem…
Can anyone think of another reason this may be happening?