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is my AFM bad?

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    is my AFM bad?

    Car with the AFM plugged in sputters on hard acceleration halfway up the rev range and coasting without throttle and at idle.... runs pretty rich, but I'm pretty sure that's because I have no O2 sensor.

    afm unplugged causes the car to idle perfectly, but as soon as I step on the gas it dies... bad AFM? This is cold and hot

    91 318i | 87 535iS

    #2
    Vac leaks prob. What AFM? Are you tuned for it?

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      #3
      Hit up Gregs///M to refurb your AFM.
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        #4
        Originally posted by 328ijunkie View Post
        Vac leaks prob. What AFM? Are you tuned for it?
        afm that I pulled off the car I also pulled the motor out of... stock injectors, everything else, etc

        I highly doubt vacuum leak, every hose and gasket is brand new and cranked down, confirmed with ether as well as brake cleaner with no idle change

        91 318i | 87 535iS

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          #5
          Maf

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            #6
            Originally posted by 10Toes View Post
            Maf
            that too.

            91 318i | 87 535iS

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              #7
              Originally posted by bernzpeed View Post
              Hit up Gregs///M to refurb your AFM.
              good call, also seriously sick alpine

              91 318i | 87 535iS

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