Keywords: 4portsolenoid.jpg en wikipedia 2010 May 28 ARO brand 4-port pneumatic solenoid installed in a 2004 USDM Subaru Impreza WRX STI to control a dual port Tial 44mm external wastegate for a Garrett GT30 turbocharger Control is provided by the Subaru Denso factory supplied engine control unit using a PID algorithm This part was purchased from Grainger Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Sreejithk2000 using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2006-08-12 Original uploader was Freonr2 at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia Freonr2 Original upload log page en wikipedia 4portsolenoid jpg 2006-08-12 00 52 Freonr2 640×480× 61715 bytes <nowiki>I am the author of this image taken July 2006 on a Canon Elph digital camera Picture shows an ARO brand 4-port pneumatic solenoid installed in a car turbocharger boost control system </nowiki> Automotive technologies Turbochargers |