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Anyone ever have a gauge read hi before you add oil because the truck leaks oil? on 1994 GMC Suburban 1500

Always have to add oil & instead of the oil gauge reading low it reads high before the oil gets added. Is the gauge faulty?

Asked by for the 1994 GMC Suburban 1500
no. oil gauge reads oil pressure , not fluid level. try oil stabilizer with next oil change. may slow down oil consumption.