As someone tried to tell you above...
The full recall text is linked in my cave. Most are at the Michigan club site.
Among other things... 84 had the dipstick replaced and relocated. It also called for use of the longer PF51 (now PF52) filter. (xxx3980 in the Allied Signal [Fram] number system.)
PF52 can be used on the later 4 cyl versions as well. Don't forget to add the extra cup or so of oil that this filter will allow. Using the PF52, I fill about 4.5 quarts to the full mark on my 87 DIS L4. (Put in 4 quarts, run it a couple minutes, then add any thing needed to make up what is now held in the filter.)
NO Fiero, or any other car, should be run low on oil! Many new cars are even easier to damage if oil pressure drops even a couple seconds here and there. This is due to the increasingly tighter tolerances many engines are built to.
NO Fiero, or any other car, should be run with a fluid leak! Oil and other fluid leaks can set any car on fire. In Fiero this is even more of an issue due to the exhaust layout. Fluids that drip on the ground in many other cars often drip right on Fiero's exhaust.
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RIP Crew of Columbia. 01-Feb-03