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Re: 1mz-fe oil pressure relief valve access question
Posted to Technical Discussion Forum on 12/21/2010 2 Replies

Did you find the cause of the high oil pressure ? I have a 01 Sienna 1mz-fe with 84 psi @ idle @60*F and 100 psi @ 2500. I removed the lower pan and removed the relief valve. It was not stuck

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