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I have an 89 nissan 240sx.... 24 valve single over head cam. I just rebuilt the engine and upon trying to crank it Ifound that the only way it would idle was to unplug the mass airflow sensor. It still runs with the MAFS plugged in but I have to keep my foot in the gas around 3000 rpm. Any ideas what is causing this problem?....I have already tried 3 different MAFS so I dont think thats it. I also replaced the oxygen sensor...Nothing there either..... :dumbass:
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