Buick City Posted December 24, 2020 Share Posted December 24, 2020 can anyone tell me what the power steering pressure sensor does ? I am replacing the rack & pinion on my 90 reatta & got the 2 port r & p I guess the 3 port is for the sensor ! Do you really need it ? I was told it doesn't have anything to do with the actual steering , but might make a light come on for a warning or ? Link to comment Share on other sites More sharing options...
padgett Posted December 24, 2020 Share Posted December 24, 2020 My understanding is that in the Reatta it is a switch that is made when high pressure is present to increase the idle speed. See code E046 in section 8D of the FSM. Link to comment Share on other sites More sharing options...
Buick City Posted December 24, 2020 Author Share Posted December 24, 2020 Thank you Padgett MERRY CHRISTMAS ! Link to comment Share on other sites More sharing options...
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