That's a pretty good indication that the rings are bad I don't know how many miles are on it so that's a good place to start. hope this helps
Bottom of the oil pan.
4.3L
Should be about 4.5 L of oil. Check the stick after.
Oil leaks because a seal has failed.
Near the oil filter, just above in.
6 quarts -------------------------------------------------------------------------------------------- The 2000 Mercury Grand Marquis Owner Guide shows : With engine oil filter change : ( 4.7 litres / 5.0 U.S. quarts )
According to the 2000 Mercury Grand Marquis Owner Guide ( 5W-30 ) ( with engine oil filter change , 5.0 U.S. quarts / 4.7 litres of 5W-30 engine oil )
6 quarts
Well No Expert Here But If Your Getting Lots Of Gas In Oil If 1 Plugs Not Firing It Allows The Unburned Gas right Into Oil ItSelf.. Check That All 4 Sparkplugs Are Firing That First Thing To Check
Inside the oil pan mounted on the engine block.
5w-30 is what I use in my 2000 grand marquis, in 2001 ford started saying 5w-20.
geee - could this info be in the OWNERS MANUAL ???