Low idle, stomp test throws 1222

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  • Danny
    Moderator
    • Feb 2008
    • 14217

    #1

    Low idle, stomp test throws 1222

    Lambda code.

    I unplugged the ECU and accidentally plugged my Air/Fuel gauge into the AFM pin instead of the O2 pin.

    Then when I plug the Ecu back in and start the car it idles too low and the stomp test reveals a 1222, could this have something to do with the ECU being unplugged?

  • Danny
    Moderator
    • Feb 2008
    • 14217

    #2
    Checked all the vacuum lines, everything seems to be in order.

    Comment

    • 416stroker
      R3VLimited
      • May 2008
      • 2448

      #3
      did you reset the dme?
      84 318I Delphin RIP
      87 325IS delphin 24v Sold
      89 325 Alpineweiss

      Comment

      • Danny
        Moderator
        • Feb 2008
        • 14217

        #4
        Originally posted by 416stroker
        did you reset the dme?
        What do you mean?

        Comment

        • 416stroker
          R3VLimited
          • May 2008
          • 2448

          #5
          disconect the batt for like 10 15 seconds and see if it goes away... scince you accidentally plugged the Air/Fuel gauge into the AFM pin instead of the O2 pin
          84 318I Delphin RIP
          87 325IS delphin 24v Sold
          89 325 Alpineweiss

          Comment

          • Danny
            Moderator
            • Feb 2008
            • 14217

            #6
            Well I unplugged the ECU completely so it should lose power and turn off.

            I'll leave the battery disconnected over night and see what it does.

            Comment

            • 416stroker
              R3VLimited
              • May 2008
              • 2448

              #7
              O
              84 318I Delphin RIP
              87 325IS delphin 24v Sold
              89 325 Alpineweiss

              Comment

              • 416stroker
                R3VLimited
                • May 2008
                • 2448

                #8
                Did that code go away? When disconecting the edu you should always disconect the batt
                84 318I Delphin RIP
                87 325IS delphin 24v Sold
                89 325 Alpineweiss

                Comment

                • Danny
                  Moderator
                  • Feb 2008
                  • 14217

                  #9
                  Yeah it did, everything is back to normal.

                  Thanks a bunch!

                  Comment

                  • 416stroker
                    R3VLimited
                    • May 2008
                    • 2448

                    #10
                    glad it's ok.
                    84 318I Delphin RIP
                    87 325IS delphin 24v Sold
                    89 325 Alpineweiss

                    Comment

                    • e30nub
                      E30 Mastermind
                      • Jun 2008
                      • 1741

                      #11
                      So disconnecting the batt fixed it?
                      -Pierre
                      1987 535is
                      1988 325is

                      Comment

                      • Danny
                        Moderator
                        • Feb 2008
                        • 14217

                        #12
                        Yep, the ECU reset and everything was fine.

                        Comment

                        • SamE30e
                          R3V Elite
                          • Sep 2007
                          • 4319

                          #13
                          Danny, you're running a narrowband o2 gauge?.. That about as useful as a condom for a dick amputee.
                          1985 325e 2.8 Turbo VEMS

                          Comment

                          • Joe318is
                            R3V OG
                            • Sep 2005
                            • 6451

                            #14
                            1222 is BS. it covers too much

                            1222 = 'Uh yeah, somethings wrong with the left side of the engine'


                            Originally posted by vlad
                            Do you know anybody else who built that many bad ass E30s?

                            Comment

                            • Danny
                              Moderator
                              • Feb 2008
                              • 14217

                              #15
                              This was before the turbo actually.

                              Comment

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