dark_thorns Posted October 27, 2013 Share Posted October 27, 2013 I've looked for information about this thing, but I can't figure out what it actually does? I know mine is bad and I'll be replacing it, but what's its function? What symptoms would go along with having a bad bpt? Link to comment Share on other sites More sharing options...
jayjay Posted October 27, 2013 Share Posted October 27, 2013 I believe it monitors exhaust pressure. it controls the pressure from the throttle body vacuum line that opens the EGR valve. save some money and buy this bpt http://www.ebay.com/itm/Toyota-Lexus-EGR-Modulator-Transducer-Valve-25870-74090-25870-62020-/321225971912?pt=Motors_Car_Truck_Parts_Accessories&fits=Make%3AToyota&hash=item4aca8f58c8&vxp=mtr Link to comment Share on other sites More sharing options...
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