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    engine cutting out at low rpm

    hey guys just took my bpt for a drive and it wont go pass 2000rpm when driving and pulses you back and forwards till you stop putting your foot on the gas
    or if you have it at half throttle it just stops at that rpm
    and at idle you can rev it all the way

    any help would be mean ,im out of ideas of whats wrong
    Last edited by michael0008; 08-14-2010, 06:21 AM.


    etude ftw!


    #2
    was it running good before? Did you change anything recenly? do you have any wiring that you did yourself and could possible have shorted or lost connection? You say BPT and have a BF chassis, what harness did u use? standalone or a stock ECU?
    "See that car, in the 80's that car was deadly." Random man to his son while passing the GTX in a parking lot

    Originally posted by neuspeedescort
    the proper spelling would be "Launchabilitiness" i do believe.
    -88' Mazda 323 GTX, 1.8t, Modified Magazine May 2012
    -88' Mazda 323 GTX, caged and ready for dirt
    -93' Mazda Miata, half caged
    -09' Mercedes C63 AMG
    -87' Toyota Land Cruiser, 33's with slight lift, safari style!

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      #3
      check firing order.
      1989 bf b6 hatch. dead
      1992 maz 323 project rally. dead

      1991 mazda protege custom cai
      2.5 inch exhaust in to magnaflo dual tip muffler
      bp swap obx stainless header exintake miata 10.1 pistons and megasquirt comming real soon




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        #4
        fixed

        the wire in the afm plug had snapped (so it was running in limp home mod)

        so now the bpt is running

        oh yea i wired it myself and i have the bpt engine loom ,bg fuse box and bf dash and charge loom


        etude ftw!

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          #5
          i was just about to say to check maf, but you found it. lol


          '88 323 sedan, K-swapped..

          '03.5 Mazdaspeed Protege - miss it so much..

          '01 Dodge Ram 3500 Cummins - 323 hauler

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            #6
            second problem
            got a boost tap and you put your foot down and the boost goes to 10psi for a sec then drops to 5psi and stays at that with your foot still down ,air leak?


            etude ftw!

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