Those who run LPG converted 2.2's

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  • hunker7
    S2Forum Possessed
    • Mar 2014
    • 3487
    • Home: Latvia Current: United Kingdom

    #286
    I'll get it done tomorrow
    '93 Audi 100 Avant - R.I.P
    '92 Audi UrS4 Avant - SOLD
    '93 Audi UrS4 Avant
    '15 Audi A7 quattro 3.0 TDI

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    • hunker7
      S2Forum Possessed
      • Mar 2014
      • 3487
      • Home: Latvia Current: United Kingdom

      #287
      Level sensor isn't working still, I have to calibrate it, but how do I know voltage does sensor read at each quarter tank? Do I just record full tank, then empty tank and decide by 4?
      '93 Audi 100 Avant - R.I.P
      '92 Audi UrS4 Avant - SOLD
      '93 Audi UrS4 Avant
      '15 Audi A7 quattro 3.0 TDI

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      • diesel des
        S2Forum Possessed
        • Feb 2004
        • 3896

        #288
        You could measure the resistance as you drive. So use your odometer to note resistance as the miles goes on and the tank empties. Then calibrate the ecu to suit.

        Sent from my LG-H955 using Tapatalk

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        • hunker7
          S2Forum Possessed
          • Mar 2014
          • 3487
          • Home: Latvia Current: United Kingdom

          #289
          Works on voltage. It should be linear so I'll try empty tank voltage and full tank voltage (easier ) and if that doesn't work then I'll hook up multimeter on one of the trips or laptop that'll happen when it's all calibrated correctly though
          '93 Audi 100 Avant - R.I.P
          '92 Audi UrS4 Avant - SOLD
          '93 Audi UrS4 Avant
          '15 Audi A7 quattro 3.0 TDI

          Comment

          • hunker7
            S2Forum Possessed
            • Mar 2014
            • 3487
            • Home: Latvia Current: United Kingdom

            #290
            Did 3 reading for each speed/gear

            '93 Audi 100 Avant - R.I.P
            '92 Audi UrS4 Avant - SOLD
            '93 Audi UrS4 Avant
            '15 Audi A7 quattro 3.0 TDI

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            • diesel des
              S2Forum Possessed
              • Feb 2004
              • 3896

              #291
              So you need to enrich the gas at 4 ms quite a bit.

              Sent from my LG-H955 using Tapatalk

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              • hunker7
                S2Forum Possessed
                • Mar 2014
                • 3487
                • Home: Latvia Current: United Kingdom

                #292
                So which points on the graph I'm moving about?

                '93 Audi 100 Avant - R.I.P
                '92 Audi UrS4 Avant - SOLD
                '93 Audi UrS4 Avant
                '15 Audi A7 quattro 3.0 TDI

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                • diesel des
                  S2Forum Possessed
                  • Feb 2004
                  • 3896

                  #293
                  Move the point that's at 5.8 to the left to about 4 and also drag it up some to about 6 on the y axis.

                  Bring the point at 7.1 to the left to about 6 and bring it up slightly on the y axis to about 7.5.

                  Sent from my LG-H955 using Tapatalk

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                  • hunker7
                    S2Forum Possessed
                    • Mar 2014
                    • 3487
                    • Home: Latvia Current: United Kingdom

                    #294
                    This is what I have atm.

                    '93 Audi 100 Avant - R.I.P
                    '92 Audi UrS4 Avant - SOLD
                    '93 Audi UrS4 Avant
                    '15 Audi A7 quattro 3.0 TDI

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                    • diesel des
                      S2Forum Possessed
                      • Feb 2004
                      • 3896

                      #295
                      Ok re run your tests at different speeds noting the motronic Times on petrol and gas.

                      Sent from my LG-H955 using Tapatalk

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                      • hunker7
                        S2Forum Possessed
                        • Mar 2014
                        • 3487
                        • Home: Latvia Current: United Kingdom

                        #296
                        Originally posted by diesel des
                        Ok re run your tests at different speeds noting the motronic Times on petrol and gas.

                        Sent from my LG-H955 using Tapatalk
                        I will do that tomorrow night, as that is the only time I can get a good run in on M621

                        So I looked at the level gauge, and it always reads 4.6v? But I assume it should be decreasing as calibration uses voltage?

                        '93 Audi 100 Avant - R.I.P
                        '92 Audi UrS4 Avant - SOLD
                        '93 Audi UrS4 Avant
                        '15 Audi A7 quattro 3.0 TDI

                        Comment

                        • diesel des
                          S2Forum Possessed
                          • Feb 2004
                          • 3896

                          #297
                          Sounds like your level gauge might be faulty or wires wrong some how. Check with the suplier what it's characteristics should be.

                          Sent from my LG-H955 using Tapatalk

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                          • hunker7
                            S2Forum Possessed
                            • Mar 2014
                            • 3487
                            • Home: Latvia Current: United Kingdom

                            #298
                            Originally posted by diesel des
                            Sounds like your level gauge might be faulty or wires wrong some how. Check with the suplier what it's characteristics should be.

                            Sent from my LG-H955 using Tapatalk
                            There are only 2 wires to the solenoid and you can't really connect them incorrectly. I will drop them an email and see what they say.
                            '93 Audi 100 Avant - R.I.P
                            '92 Audi UrS4 Avant - SOLD
                            '93 Audi UrS4 Avant
                            '15 Audi A7 quattro 3.0 TDI

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                            • kibby
                              S2Forum Enthusiast
                              • Sep 2009
                              • 165
                              • Country: United Kingdom

                              #299
                              Gauges are always faulty never accurate I can run 100 miles and three of the for lights go out and on the last one I get 150 miles

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                              • diesel des
                                S2Forum Possessed
                                • Feb 2004
                                • 3896

                                #300
                                The gauges aren't great I agree but I have mine set to turn a light. Off every 50 miles or so.

                                Sent from my LG-H955 using Tapatalk

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