A/ Check the actual oil pressure; switches can age and operate at un-neccessary high pressure; replace it with an oil pressure gauge either as a tempory or, my prefference, permanently. ( You can keep both by using a tee fitting. )
B/ Use a high flow / low back pressure oil filter.
C/ Check idle speed is not too low.
GMR
July 2007
Low oil level, Wrong oil, Oil pump, worn engine.
t
July 2007
Automatic Answer
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