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I have never done one on a Lexus or Camry but typically a return hose is much easier than a pressure hose. I have no information on the 93, only the 2000 which I have. Can't imagine they are the same. Good luck, if you are mechanically inclined than a return hose should not be too difficult.
it's a PITA, all i can say is good luck. you'll need to start digging from the passenger side wheel well. take off all the liners to have the ps pump exposed