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1992 toyota 22-re egr code 71

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  • July 25, 2012 at 11:00 am #458660
    dreamer2355dreamer2355
    Participant

      Welcome to the forums,_x000D_
      _x000D_
      Is it a vacuum operated EGR valve? Did you try using a vacuum pump to see if the engine stalls if so?_x000D_
      _x000D_
      Do you have vacuum going to the EGR valve?_x000D_
      _x000D_
      You also may have a clogged EGR passage somewhere._x000D_
      _x000D_
      If its a electronic cont

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    • July 25, 2012 at 11:00 am #458661
      shadetree 59shadetree 59
      Participant

        Thanks for the quick reply dreamer. My neighbor has a vacuum and will borrow it to check this out._x000D_
        _x000D_
        Thanks

        July 25, 2012 at 11:00 am #458662
        MattMatt
        Participant

          The first thing I would check since you replaced the valve is the vacuum supply line.

          July 26, 2012 at 11:00 am #458663
          college mancollege man
          Moderator

            see if this link helps._x000D_
            _x000D_
            _x000D_
            http://www.justanswer.com/toyota/1gkxo- … ickup.html

            July 26, 2012 at 11:00 am #458664
            davispbdavispb
            Participant

              I had a “92 Lexus LS that had an egr pipe on the back of the motor that had an accordion-type section in the pipe that would always crack and throw a code 71.

              July 27, 2012 at 11:00 am #458665
              EricTheCarGuy 1EricTheCarGuy
              Keymaster

                I too would recommend checking to see if applying vacuum to the valve at idle causes the engine to stall or run rough, if it doesn’t then look for clogged passages, if it does then look to the supply vacuum and other controls to see if they are working pr

                July 31, 2012 at 11:00 am #458666
                shadetree 59shadetree 59
                Participant

                  I have some additional symptoms on this egr project. I am losing coolant out of my radiator overflow. The other day I had a real slow crank when starting. Sounded almost like

                  July 31, 2012 at 11:00 am #458667
                  dreamer2355dreamer2355
                  Participant

                    If the engine hydro-locked, it would no longer turn over._x000D_
                    _x000D_
                    I would have the battery tested as well as making sure your connections look good as well as your power and grounds. I would even do a voltage drop test on the feed and ground side of the starte

                    July 31, 2012 at 11:00 am #458668
                    shadetree 59shadetree 59
                    Participant

                      It leaks while driving.

                      August 1, 2012 at 11:00 am #458669
                      EricTheCarGuy 1EricTheCarGuy
                      Keymaster

                        This video has a check for a head gasket failure that might help you._x000D_
                        http://www.youtube.com/watch?v=hUzOTnsWImI

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