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Idle Adjustment: Notes

  1. Make sure that engine is at normal operating temperature before beginning adjustments, then turn air screw to obtain an engine speed of 700 RPM (Man. Trans.) or 625 RPM (Auto. Trans.).
  2. Turn fuel screw until highest engine RPM is obtained. Repeat adjustments until maximum RPM obtained when turning fuel screw is 700-725 (Man. Trans.) or 625-650 (Auto. Trans.).
  3. Turn fuel screw in to lean out mixture until a drop of 20-25 RPM is achieved without upsetting smooth running, and keeping the CO% at 2%. Idle speed should be between 675-725 RPM (Man. Trans.) or 600-650 RPM (Auto. Trans.).
    Fig 1: Idle Adjustment
    G09313406Courtesy of AMERICAN MOTORS/RENAULT CORP.
    Fig 2: Jet & Component Location
    G09313407Courtesy of AMERICAN MOTORS/RENAULT CORP.
    NOTE: Fast idling system for exhaust emission control should be adjusted after normal idle has been adjusted.
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