[DML] Re: High Idle

["David Teitelbaum" <jtrealty@xxxxxxxxxxx>]

To fix a "high idle" problem the first thing to do is to go over all
the linkage and cables. You must have full travel, it must work
smoothly, and it MUST return all the way back to idle with the spring
pressure. Over time the system gets dirty, the grease gets gummy,
things get bent and worn. Look particulary at the quadrant link (the
short link with the 2 ball ends) that goes from the throttle spool to
the throttle arm for play.  Look for play at the thottle spool where
the quadrant link attaches to the ball, they loosen up. Also check
that with the gas pedal all the way down you get full throttle
opening. When you release the accelerator the linkage should go all
the way back down and just trip the idle micro. It may require taking
the throttle spool apart and cleaning and lubricating, lubricating the
throttle cable with anti-freeze as per the recall, and adjusting the
stop and idle micro screws. You can also move the spring in the
throttle spool over one notch to increase the spring pressure but that
will give you a stiffer pedal. Not great for long drives.
David Teitelbaum
vin 10757


--- In dmcnews@xxxxxxxxxxxxxxx, "John Hervey" <john@xxxx> wrote:
> 
> Jon, I will jump in and ask: Is the idle speed microswitch working
properly.
> If it's not adjusted so the top screw is engaging and turning off
the vacuum
> solenoid before the bottom screw goes to the rest position, or not
working









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