Oil gage consistently reads between 90 and 100 psi even when engine has warmed up. Diagnostics digital reads 55 psi with engine warmed up and returns to 0 when key is turned off. Is this something to be worried about? Wondering if either is correct. Engine is a Cummings 370 ISL.
2003 Contessa
3 slides
40 Ft.
Thanks, William