lacking power

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  • jdeluca97
    Noobie
    • Mar 2010
    • 6

    #1

    lacking power

    Hello, i just bought an 85 325 e in very good condition.The only problem is that it seems to be lacking power.When i am accelerating through the gears it seems to want to go then is sluggish so on and so on.It"s like the accelerator is being pushed in and out but i am appling steady pressure.Any help would be appreciated,i am brand new to bmw s.Thanks
    Last edited by jdeluca97; 03-09-2010, 03:13 PM.
  • karpiel
    Member
    • Oct 2009
    • 87

    #2
    Have you driven a 325e before?

    Comment

    • jdeluca97
      Noobie
      • Mar 2010
      • 6

      #3
      my friend has a 325 e and his seems to run out alot smoother.Mine seems to be holding back.

      Comment

      • jdeluca97
        Noobie
        • Mar 2010
        • 6

        #4
        Yes,my friend has a 325e and his seems to run out smoother,mine seems to be holding back.

        Comment

        • karpiel
          Member
          • Oct 2009
          • 87

          #5
          How does it idle?

          Start by replacing every single piece of rubber under the hood.

          To me, there is no point trying to track down a single leak on an older car, if there is one there are more.

          Comment

          • jdeluca97
            Noobie
            • Mar 2010
            • 6

            #6
            it idles perfect,and i cleaned the idle control valve,replaced fuel filter,and ran sea foam through the vaccum line,has good plugs,and wires seem to be fine.

            Comment

            • ck_taft325is
              R3V OG
              • Sep 2007
              • 6880

              #7
              Check your AFM as over the years they become a bit gungy. TPS is also a likely candidate.
              Need a part? PM me.

              Get your Bass on. Luke's r3v Boxes are here: http://www.r3vlimited.com/board/showthread.php?t=198123

              Comment

              • jdeluca97
                Noobie
                • Mar 2010
                • 6

                #8
                What is afm and tps,thanks

                Comment

                • 619E30
                  E30 Mastermind
                  • Feb 2010
                  • 1753

                  #9
                  AFM or ICV
                  Originally posted by audiquattrot
                  bimmers b4 b*tches....remember that.
                  1990 Alpinweiss 325i - secret 500whp build
                  2000 Audi S4 B5 Laser Red
                  1990 Nissan 240sx - Drift Missile
                  2006 CBR600RR

                  Comment

                  • 619E30
                    E30 Mastermind
                    • Feb 2010
                    • 1753

                    #10
                    An afm is a Air Flow Meter
                    Originally posted by audiquattrot
                    bimmers b4 b*tches....remember that.
                    1990 Alpinweiss 325i - secret 500whp build
                    2000 Audi S4 B5 Laser Red
                    1990 Nissan 240sx - Drift Missile
                    2006 CBR600RR

                    Comment

                    • Need4Speed1299
                      Advanced Member
                      • Oct 2007
                      • 119

                      #11
                      You guys are just throwing shit out of no where.

                      Since your car idles fine, your Throttle Position Sensor and Idle Control Valve are fine. These parts work in conjunction. Therefore, don't waste your money replacing these. http://www.verrill.com/car/e30_idlefaq.shtml

                      The AFM is a good possibility. I have the same problem, it sputters, stumbles and gets hesitant when you floor it.

                      Heres what I suggest. Download this manual-


                      My guess is that its fuel related. Possibly Fuel Pressure Regulator or filter. Check the manual above and see what it says under Fuel. Bentley makes a damn good E30 manual.
                      Last edited by Need4Speed1299; 03-09-2010, 04:53 PM.

                      Comment

                      • jdeluca97
                        Noobie
                        • Mar 2010
                        • 6

                        #12
                        it was idleing fine until i cleaned the idle control valve,now it idles up and down?????.Where is the tps located,and how do you clean it?i also replaced the fuel filter.Thanks for all the help

                        Comment

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