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poor acceleration

  1. Rough Idle, low power

    DTC's, Problems & Troubleshooting
    I have a 1993 LeSabre Limited with a 3800 Series I. Recently I have been experiencing poor acceleration and an intermittent rough idle. I have replaced the following: Fuel Pump, Sending Unit, Trans Vacuum Modulator, Mass Airflow Sensor, Fuel Pressure Regulator, Intake Manifold Gaskets, Spark...
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