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stalling at idle

  1. 87 iroc w/mass air sensor problems?

    Troubleshooting
    :confused:i have an 87 iroc with a 350 tpi. it all of the sudden started running rough and stalling out on me. It eventually wouldn't even start. It spit code 33 (mass air) so i replaced the mass air, and it still did nothing. I can unplug the mass air, and it will start right up, eventually...
  2. Stalling and rough idle

    Camaro Tech
    I have a 97 Z28 with an LT1. I have to push the petal to the floor to get it to start, then it runs rough for a few minutes and stalls out. It dropps rpms, then it revs about 2,000 RPM by itself. I have replaced the hermonic balancer, opti-spark distributer, spark plugs, and water pump. then...
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