Sputters and then cuts out???

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  • White325is
    R3V Elite
    • Oct 2006
    • 5947

    #1

    Sputters and then cuts out???

    Well. I have been driving the S50/318 since Friday and it has been running great.
    Yesterday I noticed when I would come to a stop the idle would jump until it found a nice steady idle. It would also kinda sputter a tad when I would go to take off. So I figured I would change the TPS. through out the day it would get worse and when I would come to a stop it would just shut off.
    So far I tried a new FPR, TPS, MAF, ECU. Before I put the motor in I replaced the fuel pump with one from my 325. and I checked pressure, at idle its right around 45 psi. Also replaced the fuel filter.
    I also replaced all VAC and Fuel lines before I put the motor in.
    I changed the crank sensor to another one I had around and still nothing. I bought a new crank sensor, so that should be here tomorrow.
    Right now Im stuck on what it could be. So I come to ask for help. I need this car fixed ASAP because I start a new job tomorrow and I cant take the wifes car.
    So if someone has any ideas, that would be great.
  • jrdeamicis
    E30 Modder
    • Nov 2008
    • 956

    #2
    Speed Sensor?
    Past Car : E30 S50 6 Speed 5 Lug 3.73
    Current : Z3 S50 OBD2 (Smog Legal) 6 Speed BBS RN Dual Ear Diff
    ___________________________________________
    BNB Designs
    Engine Swaps, Fabrication, Innovation, General Repair
    Richmond CA
    Julian 848-248-8029

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    • 87e30
      R3V Elite
      • Jul 2008
      • 5676

      #3
      Idle control valve? Something to do with idle?
      Originally posted by z31maniac
      I just hate everyone.

      No need for discretion.

      Comment

      • White325is
        R3V Elite
        • Oct 2006
        • 5947

        #4
        Changed and cleaned the ICV. I didnt fuck with the speed sensor yet.

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