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  1. 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...
    1993 buick lesabre poor acceleration rough idle
  2. DTC's, Problems & Troubleshooting
    I just dropped a '93 L67 from a PA Ultra into a '93 LeSabre that is running great :) with no problems except that under moderate throttle (~40-50%), the MIL comes on and is setting DTC 57 for the Boost Control Solenoid (the Service Manual isn't being of much help). When this happens, the engine...
    1993 boost control dtc 57 l67 park avenue ultra
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