Strange engine behaviour

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  • The Spanish
    S2Forum Maniac
    • Nov 2003
    • 719

    #16
    Originally posted by Mihnea
    Rafael, this is ok, the MAF only has 5 connected pins inside of it, not more.

    BTW, how much boost are you running? can you measure boost in 3rd gear WOT from 1000 RPM and give me boost at 4k, 6k and 7k, and the RPM you're getting full boost at? Maybe do it in 4th too if it's safe to do it in Madrid...

    Cheers,

    Mihnea
    Hi Minhea,

    I still have not fitted the Boost Gauge, will begin all the work very soon. Lately I did not find time for anything.
    I am trying to solve my problems before fitting everything so I can be sure I did everything correct or faults appear because of the new instalation.

    In Madrid is even safe to do a run in 6th gear

    Cheers,
    Rafael
    94' RS2 Coupe TT (Twin Torsen )

    Comment

    • Mihnea
      S2Forum Extremist
      • Jul 2003
      • 1288
      • Home: Belgium Current: United Kingdom

      #17
      Rafael, are you running the ECU from me already or not???
      '98 Silver Grey 2.7T S4, dual 2.75" turbo back exhaust with no cats, FMIC, BIG injectors, 10 Bar motorsport fuel pump, modded RS4 turbos, tubular exhaust manifolds, custom intakes, RS4 MAF, Bilstein PSS9, H&R ARBs, 19" BBS CH, custom remap, 511 BHP/505ft-lbs

      www.MRCTuning.com
      info@MRCTuning.com
      Workshop Directions

      Comment

      • 4WheelDrifter
        S2Forum Zealot
        • Oct 2004
        • 5773
        • Country: Devon

        #18
        Could it be a problem with the fuel breather or carbon canister/valve?
        SS

        Comment

        • The Spanish
          S2Forum Maniac
          • Nov 2003
          • 719

          #19
          Originally posted by Mihnea
          Rafael, are you running the ECU from me already or not???
          No.

          I had a problem with the Exhaust Manifold.

          New one arriving next week. Then project will start.

          A couple of questions Minhea.

          What boost in PSI should I read in a 4th gear acceleration.

          Rafael
          94' RS2 Coupe TT (Twin Torsen )

          Comment

          • The Spanish
            S2Forum Maniac
            • Nov 2003
            • 719

            #20
            Originally posted by 4WheelDrifter
            Could it be a problem with the fuel breather or carbon canister/valve?
            Please explain more.

            Where are they, what they do?

            Thanks
            94' RS2 Coupe TT (Twin Torsen )

            Comment

            • 4WheelDrifter
              S2Forum Zealot
              • Oct 2004
              • 5773
              • Country: Devon

              #21
              I’m not sure how the system works. I just know that when the canister valve came up as a fault on one of mine, there was a funny noise coming from the tank area. A bit like a buzzing noise. As if it was sucking bits of fuel and air. Have you tried pulling fault codes from the car? Just to check.
              SS

              Comment

              • dkw_dude
                S2Forum Maniac
                • Jul 2003
                • 555
                • Country: Norway

                #22
                Carbon canister valve
                Leif-Helge
                -91 S2 VEMS and Comp Turbo
                -12 B** 530XD Touring "S2 parts transporter, and daily driver"

                Comment

                • The Spanish
                  S2Forum Maniac
                  • Nov 2003
                  • 719

                  #23
                  Originally posted by dkw_dude
                  Carbon canister valve
                  http://s2central.net/ds_N80.html
                  Thanks.

                  If this in not working correctly would it be any fault code?
                  94' RS2 Coupe TT (Twin Torsen )

                  Comment

                  • 4WheelDrifter
                    S2Forum Zealot
                    • Oct 2004
                    • 5773
                    • Country: Devon

                    #24
                    Blink code 4343 i believe.
                    SS

                    Comment

                    • The Spanish
                      S2Forum Maniac
                      • Nov 2003
                      • 719

                      #25
                      Originally posted by 4WheelDrifter
                      Blink code 4343 i believe.
                      Will check code on monday.

                      The valve is 100 Euro here so I expect is ok. Very expensive

                      Thanks
                      94' RS2 Coupe TT (Twin Torsen )

                      Comment

                      • 4WheelDrifter
                        S2Forum Zealot
                        • Oct 2004
                        • 5773
                        • Country: Devon

                        #26
                        I just thought it might be worth checking.
                        SS

                        Comment

                        • The Spanish
                          S2Forum Maniac
                          • Nov 2003
                          • 719

                          #27
                          Clean the MAF and engine was flying today.
                          Dit around 100Km really pushing it and no problems whatsoever.

                          I still can hear the little buzz from behind when accelearating in first gear gently. Lets see if when I change the fuel pump if this disapears.

                          Thanks for the help
                          94' RS2 Coupe TT (Twin Torsen )

                          Comment

                          • newsh
                            S2Forum Obsessed
                            • Aug 2003
                            • 16226
                            • Country: United Kingdom

                            #28
                            Cool

                            S2 Coupe 3B Project


                            Ur quattro restoration

                            S2 Avant

                            Boost is the new rock and roll!
                            sigpic

                            Comment

                            • 4WheelDrifter
                              S2Forum Zealot
                              • Oct 2004
                              • 5773
                              • Country: Devon

                              #29
                              Sweet!
                              SS

                              Comment

                              • S2sedan
                                S2Forum Enthusiast
                                • Aug 2004
                                • 189

                                #30
                                good to hear that !
                                S2 Limo sold !!!
                                M5 E34 with some mods in the garage
                                sorry, but much happeir now !

                                Comment

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