mfts help please

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  • freakytate
    S2Forum Addict
    • Jun 2014
    • 206
    • Country: United Kingdom

    #1

    mfts help please

    My temp guage is barely creeping over 55'c. Fan kicks in etc and heater warm but gauge not climbing. I would like to put it right for when my dials come back.

    Is there an easy mod to adapt or use 3 pin newer version on my aby s2? 3 pin mfts are cheap and readily available. Such as ebay item 181652396025

    cheers
  • macspring
    S2Forum Zealot
    • Mar 2005
    • 6371
    • Home: Ireland Current: Wallis & Futuna

    #2
    3 pin is the new 4 pin.

    i.e. they don't make 4 pins ones anymore, but the 3 pins one will work.

    Can't recall if it is this MFTS sensor is the one that controls the temperature gauge or the one at the back of the block.

    Others will advise shortly.




    Comment

    • UrS4boy
      S2Forum Obsessed
      • Feb 2006
      • 11859
      • Country: Canada

      #3
      F76 Multifunction Temperature Switch info

      Originally posted by macspring
      Can't recall if it is this MFTS sensor is the one that controls the temperature gauge or the one at the back of the block.




      MFTS info (for the temp gauge): http://forums.quattroworld.com/s4s6/msgs/22584.phtml

      G62 info (coolant temp at the back of the head for the ECU): http://forums.quattroworld.com/s4s6/msgs/20985.phtml

      All found here (click on the labels):
      RS2'd 93 UrS4 5 spd sedan
      94 UrS4 V8 6 spd manual avant

      Comment

      • freakytate
        S2Forum Addict
        • Jun 2014
        • 206
        • Country: United Kingdom

        #4
        So the new 3 pin is nust olug and play,? Where can i get a behr or jp one? Not much on googles
        cheers Lads

        Comment

        • Michael S2
          S2Forum Extremist
          • Dec 2011
          • 1378
          • Country: Scotland

          #5
          Quattro Corner one is behr I think. Yes plug and play. There's a good chance the connector will fall apart in your hand when you remove it, these are available from Audi.
          1995 Audi S2 Avant

          Comment

          • Rikki Kitto
            S2Forum Zealot
            • Feb 2010
            • 6276
            • Country: England

            #6
            Might have one or two spare ya can try I'll have a look in the black hole (shed)

            Comment

            • macspring
              S2Forum Zealot
              • Mar 2005
              • 6371
              • Home: Ireland Current: Wallis & Futuna

              #7
              Originally posted by Michael S2
              Quattro Corner one is behr I think. Yes plug and play. There's a good chance the connector will fall apart in your hand when you remove it, these are available from Audi.
              Yes, sorry forgot to mention this. Well worth doing. All of us should do this especially when you see and hold a new one beside an 18 year old one.

              Well called.

              Comment

              • freakytate
                S2Forum Addict
                • Jun 2014
                • 206
                • Country: United Kingdom

                #8
                Cheers lads. Connector is fine had it off yesterday.
                rikki ritto that would be great if you wouldnt mind. Thank you

                Comment

                • Rikki Kitto
                  S2Forum Zealot
                  • Feb 2010
                  • 6276
                  • Country: England

                  #9
                  PM me your address

                  Comment

                  • andy10v
                    S2Forum Zealot
                    • Mar 2009
                    • 5996
                    • Country: Scotland

                    #10
                    Thermostat is ok?
                    Current-2004 Impreza PPP wagon

                    Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
                    Sold ABY-stock

                    Comment

                    • freakytate
                      S2Forum Addict
                      • Jun 2014
                      • 206
                      • Country: United Kingdom

                      #11
                      New stat on hEr but have contacted guy and he sending me a priven one. Its odd sometimes uphills or bends or even bumbs it sorts itself out but then back to low. Also rpm guage is dropping to bearly zero but i have non s2 clocks in at moment as my dials are knackered. My temp previously slightly high and would fluctuate. Fan kicks in a lOt. I have aux rad deleted but cant see that doing much difference in this weather. I have nissens non aux rad on too which is slightly smaller but i cant see that effecting so much. I want a steady 87'c so i know shes at her best efficiency and ecu is not in warm up mode etc

                      Comment

                      • mike74
                        S2Forum Maniac
                        • Apr 2014
                        • 615
                        • Country: Scotland

                        #12
                        Do you still have the little rubber boot around the MFTS & connector? If you don't and have removed the aux radiator then cool air passing over it could be affecting the readings you're seeing...

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                        • freakytate
                          S2Forum Addict
                          • Jun 2014
                          • 206
                          • Country: United Kingdom

                          #13
                          Yeah still on it and cleaned out yesterday

                          Comment

                          • UrS4boy
                            S2Forum Obsessed
                            • Feb 2006
                            • 11859
                            • Country: Canada

                            #14
                            Originally posted by freakytate
                            Yeah still on it and cleaned out yesterday
                            Do you have the autoclimate control system?
                            RS2'd 93 UrS4 5 spd sedan
                            94 UrS4 V8 6 spd manual avant

                            Comment

                            • freakytate
                              S2Forum Addict
                              • Jun 2014
                              • 206
                              • Country: United Kingdom

                              #15
                              unfortunately not but i have got vagcom and can monitor engine coolant temp but im not sure where that signal comes from

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