2000 Saturn Station Wagon Repair Question
I have 2000 saturn lw1 wagon. in gear idels low and vibrates
look for a vacuum leak. it will make a hissing sound while idling. sounds like your problem.
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Just to add to this one if the ac works turn it on see if the idle smooths out?If it does you need to have the ecm updated with a new calibration file that raises the idle up to where it should be.There is a bulletin for this issue have ran into it many times myself.
23,190 answers provided