Watch P.S. level Place newspaper under vehicle
Check all fuses
Check the fuse!
there is a reservoir on the passenger side of the engine bay, two levels are mark'd on it... hot level and cold level, depending on the engine temperature.
o2 censor
Check: Autotrader.com NADA.com Edmunds.com KBB.com
Check power steering belt, check power steering pump, check rack for leaks
Same place you check it.
Check the axle; it may be leaking/out of grease.
Check your hoses from the power steering reservoir for cracks in them and also check the power steering rack on the firewall to see if the rubber seals on the ends of the rack are leaking, maybe the reservoir itself is leaking, have it checked out.
No, but impossible to check anything else if it is leaking. And if the rack and pinon is leaking, then it will have to be changed anyway.
Brake fluid in a Toyota Sequoia could be leaking from several places. Check the wheel cylinders first as they are a common place to leak.
Like many engine and diagnostic parts of the 1990 Toyota Celica, the tachometer needs the assistance of a fuse to operate correctly. Check the fuse box for a blown fuse for this instrument.